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Organic chemical contaminants measured by PED (polyethylene device) passive water samplers deployed at Cocos Island, Guam from 2017-09-18 to 2017-10-30 (NCEI Accession 0184259)


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            title:  Organic chemical contaminants measured by PED (polyethylene device) passive water samplers deployed at Cocos Island, Guam from 2017-09-18 to 2017-10-30 (NCEI Accession 0184259)
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        abstract:  The Cocos Island, Guam PEDs (polyethylene device) passive water sampler data set contains results of the analysis from Project 31181 funded by NOAA’s Coral Reef Conservation Program. The project involved NOAA National Center for Coastal Ocean Science, Guam Environmental Protection Agency and the United States Environmental Protection Agency. The data resulted from the deployment of an array of PEDs passive water samplers in the waters around Cocos Island in Cocos Lagoon, Guam. Duplicate PEDs were deployed at 26 sites by NOAA and Guam EPA personnel in September 2017, and then retrieved one month later by Guam EPA personnel. At 22 sites, the PEDs were deployed in the water column along six transects on the northwest shore of Cocos Island; an additional PED was deployed in the water column along the southeast shore. At two sites (9-1 and 9-2), PEDs were embedded in the sand along the shore, with the remaining PED (4-3 #035) embedded in the sand underwater at site 4-3. The duplicate PEDs from each site were combined and analyzed as one sample, in an effort to increase the sensitivity of the analysis (lower detection limit). The PEDs were analyzed for a series of organic chemical contaminants including polychlorinated biphenyls (PCBs), organochlorine pesticides and petroleum hydrocarbons (PAHs), all of which are contaminants of concern in the area. The polyethylene sheets comprising the PEDs at each site was analyzed, and the results are reported as nanograms of contaminant per each analysis, or ng/ea.
        purpose:  These data were collected in support of a project conducted with partners at Guam EPA and the USEPA to assess the presence of chemical contaminants in the waters around Cocos Island, Guam, as a means for contaminant exposure and subsequent uptake in resident biota such as fish.
        credit:  Related Funding Agency: NOAA Coral Reef Conservation Program
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            keyword:  Benzo(g,h,i)perylene
            keyword:  Benzo(k,j)fluoranthene
            keyword:  Benzothiophene
            keyword:  Beta-HCH
            keyword:  Biphenyl
            keyword:  C1-Benzothiophenes
            keyword:  C1-Chrysenes
            keyword:  C1-Decalins
            keyword:  C1-Dibenzothiophenes
            keyword:  C1-Fluoranthenes/Pyrenes
            keyword:  C1-Naphthalenes
            keyword:  C1-Naphthobenzothiophenes
            keyword:  C1-Phenanthrenes/Anthracenes
            keyword:  C2-Benzothiophenes
            keyword:  C2-Chrysenes
            keyword:  C2-Dibenzothiophenes
            keyword:  C2-Fluoranthenes/Pyrenes
            keyword:  C2-Fluorenes
            keyword:  C2-Naphthalenes
            keyword:  C2-Naphthobenzothiophenes
            keyword:  C2-Phenanthrenes/Anthracenes
            keyword:  C3-Benzothiophenes
            keyword:  C3-Chrysenes
            keyword:  C3-Decalins
            keyword:  C3-Dibenzothiophenes
            keyword:  C3-Fluoranthenes/Pyrenes
            keyword:  C3-Fluorenes
            keyword:  C3-Naphthalenes
            keyword:  C3-Naphthobenzothiophenes
            keyword:  C3-Phenanthrenes/Anthracenes
            keyword:  C4-Benzothiophenes
            keyword:  C4-Chrysenes
            keyword:  C4-Decalins
            keyword:  C4-Dibenzothiophenes
            keyword:  C4-Fluoranthenes/Pyrenes
            keyword:  C4-Naphthalenes
            keyword:  C4-Naphthobenzothiophenes
            keyword:  C4-Phenanthrenes/Anthracenes
            keyword:  Carbazole
            keyword:  Chrysene/Triphenylene
            keyword:  Cis-Nonachlor
            keyword:  DDMU
            keyword:  Decalins
            keyword:  Delta-HCH
            keyword:  Dibenzo(a,h)anthracene
            keyword:  Dibenzofuran
            keyword:  Dibenzothiophene
            keyword:  Dieldrin
            keyword:  Endosulfan I
            keyword:  Endosulfan II
            keyword:  Endosulfan Sulfate
            keyword:  Endrin
            keyword:  Endrin Aldehyde
            keyword:  Endrin Ketone
            keyword:  Fluoranthene
            keyword:  Fluorene
            keyword:  Fluorenes
            keyword:  Gamma-Chlordane
            keyword:  Gamma-HCH
            keyword:  Heptachlor
            keyword:  Heptachlor-Epoxide
            keyword:  Hexachlorobenzene
            keyword:  Indeno(1,2,3-c,d)pyrene
            keyword:  Mirex datatypes-94: Chlorpyrifos
            keyword:  Naphthalene
            keyword:  Naphthobenzothiophene
            keyword:  Oxychlordane
            keyword:  PCB 1
            keyword:  PCB 100
            keyword:  PCB 101/89/113
            keyword:  PCB 102/98
            keyword:  PCB 104
            keyword:  PCB 105/127
            keyword:  PCB 108/107
            keyword:  PCB 109
            keyword:  PCB 11
            keyword:  PCB 110
            keyword:  PCB 111/115/87
            keyword:  PCB 112
            keyword:  PCB 114/122
            keyword:  PCB 116/117
            keyword:  PCB 118/106
            keyword:  PCB 119
            keyword:  PCB 12
            keyword:  PCB 120/83
            keyword:  PCB 121/93/95
            keyword:  PCB 123
            keyword:  PCB 124
            keyword:  PCB 126
            keyword:  PCB 128/167
            keyword:  PCB 129
            keyword:  PCB 13
            keyword:  PCB 130
            keyword:  PCB 132
            keyword:  PCB 134/133
            keyword:  PCB 135
            keyword:  PCB 136/154
            keyword:  PCB 137
            keyword:  PCB 138/160/158
            keyword:  PCB 14
            keyword:  PCB 140
            keyword:  PCB 141
            keyword:  PCB 142/146/161
            keyword:  PCB 143
            keyword:  PCB 144
            keyword:  PCB 147
            keyword:  PCB 148/145
            keyword:  PCB 149/139
            keyword:  PCB 15
            keyword:  PCB 150
            keyword:  PCB 151
            keyword:  PCB 152
            keyword:  PCB 153/168
            keyword:  PCB 155
            keyword:  PCB 156
            keyword:  PCB 157
            keyword:  PCB 159
            keyword:  PCB 16/32
            keyword:  PCB 162
            keyword:  PCB 164/163
            keyword:  PCB 165/131
            keyword:  PCB 166
            keyword:  PCB 169
            keyword:  PCB 17
            keyword:  PCB 170/190
            keyword:  PCB 171
            keyword:  PCB 173
            keyword:  PCB 174
            keyword:  PCB 175
            keyword:  PCB 176
            keyword:  PCB 177
            keyword:  PCB 179
            keyword:  PCB 18
            keyword:  PCB 180/193
            keyword:  PCB 181
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            keyword:  PCB 186/178
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            keyword:  PCB 19
            keyword:  PCB 191
            keyword:  PCB 192/172
            keyword:  PCB 194
            keyword:  PCB 195
            keyword:  PCB 197
            keyword:  PCB 198
            keyword:  PCB 199
            keyword:  PCB 2
            keyword:  PCB 200
            keyword:  PCB 201
            keyword:  PCB 202
            keyword:  PCB 203/196
            keyword:  PCB 204
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            keyword:  PCB 207
            keyword:  PCB 208
            keyword:  PCB 209
            keyword:  PCB 21/20/33
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            keyword:  PCB 26
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            keyword:  PCB 28/31
            keyword:  PCB 29
            keyword:  PCB 3
            keyword:  PCB 30
            keyword:  PCB 34
            keyword:  PCB 35
            keyword:  PCB 36
            keyword:  PCB 37
            keyword:  PCB 38
            keyword:  PCB 39
            keyword:  PCB 4/10
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            keyword:  PCB 42
            keyword:  PCB 43
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            keyword:  PCB 45
            keyword:  PCB 46/69/73
            keyword:  PCB 48/75/47
            keyword:  PCB 49
            keyword:  PCB 50
            keyword:  PCB 51
            keyword:  PCB 52
            keyword:  PCB 53
            keyword:  PCB 54
            keyword:  PCB 55
            keyword:  PCB 56
            keyword:  PCB 58
            keyword:  PCB 59
            keyword:  PCB 6
            keyword:  PCB 60
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            keyword:  PCB 62
            keyword:  PCB 63
            keyword:  PCB 65
            keyword:  PCB 66/80
            keyword:  PCB 67
            keyword:  PCB 68/41/64
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            keyword:  PCB 71
            keyword:  PCB 72
            keyword:  PCB 76/70
            keyword:  PCB 77
            keyword:  PCB 78
            keyword:  PCB 79
            keyword:  PCB 8/5
            keyword:  PCB 81
            keyword:  PCB 82
            keyword:  PCB 84/90
            keyword:  PCB 85
            keyword:  PCB 88
            keyword:  PCB 91
            keyword:  PCB 92
            keyword:  PCB 94
            keyword:  PCB 96/103
            keyword:  PCB 97/125/86
            keyword:  PCB 99
            keyword:  Pentachloroanisole
            keyword:  Pentachlorobenzene
            keyword:  Perylene
            keyword:  Phenanthrene
            keyword:  Pyrene
            keyword:  Total Chlordane
            keyword:  Total DDT
            keyword:  Total HCH
            keyword:  Total PAHs
            keyword:  Total PCB
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                      Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1670 US DOC; NOAA; OAR; OSS; NOAA Central Library
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                    linkage: https://doi.org/10.25921/a4ev-8453
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                    linkage: https://www.ncei.noaa.gov/archive/accession/oas/184259
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                description:  NCEI Accession 0184259 v1.1 was published.
                dateTime:
                  DateTime:  2019-03-08T18:28:20Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0184259 v1.1
                        date:  (CI_Date)
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                            dateType:  (CI_DateTypeCode) publication
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                                    linkage: https://www.ncei.noaa.gov/archive/accession/0184259/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0184259 v1.1
                                    description:  published 2019-03-08T18:28:20Z
                                    function:  (CI_OnLineFunctionCode) download
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: cis/trans Decalin (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Decalins (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Decalins (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Decalins (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Decalins (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Naphthalene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Naphthalenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Naphthalenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Naphthalenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Naphthalenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzothiophene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Benzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Benzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Benzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Benzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Biphenyl (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Acenaphthylene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Acenaphthene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Dibenzofuran (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Fluorene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Fluorenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Fluorenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Fluorenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Carbazole (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Anthracene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Phenanthrene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Phenanthrenes/Anthracenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Phenanthrenes/Anthracenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Phenanthrenes/Anthracenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Phenanthrenes/Anthracenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Dibenzothiophene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Dibenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Dibenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Dibenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Dibenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Fluoranthene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Pyrene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Fluoranthenes/Pyrenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Fluoranthenes/Pyrenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Fluoranthenes/Pyrenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Fluoranthenes/Pyrenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Naphthobenzothiophene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Naphthobenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Naphthobenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Naphthobenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Naphthobenzothiophenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benz(a)anthracene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Chrysene/Triphenylene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C1-Chrysenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C2-Chrysenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C3-Chrysenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: C4-Chrysenes (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzo(b)fluoranthene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzo(k,j)fluoranthene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzo(a)fluoranthene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzo(e)pyrene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzo(a)pyrene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Perylene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Indeno(1,2,3-c,d)pyrene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Dibenzo(a,h)anthracene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Benzo(g,h,i)perylene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total PAHs (calculated); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/mass spectrometer; Sampling and Analyzing Method: Sum of individual PAHs.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Aldrin (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Dieldrin (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Endrin (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Endrin Aldehyde (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Endrin Ketone (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Heptachlor (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Heptachlor-Epoxide (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Oxychlordane (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Alpha-Chlordane (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Gamma-Chlordane (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Trans-Nonachlor (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Cis-Nonachlor (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Alpha-HCH (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Beta-HCH (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Delta-HCH (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Gamma-HCH (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: DDMU (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 2,4'-DDD (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 4,4'-DDD (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 2,4'-DDE (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 4,4'-DDE (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 2,4'-DDT (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 4,4'-DDT (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 1,2,3,4-Tetrachlorobenzene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: 1,2,4,5-Tetrachlorobenzene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Hexachlorobenzene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Pentachloroanisole (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Pentachlorobenzene (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Endosulfan II (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Endosulfan I (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Endosulfan Sulfate (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Mirex (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Chlorpyrifos (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 1 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 2 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 3 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 4/10 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 7/9 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 6 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 8/5 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 14 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 11 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 12 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 13 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 15 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 19 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 30 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 18 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 17 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 27 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 24 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 16/32 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 34 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 23 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 29 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 26 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 25 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 28/31 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 21/20/33 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 22 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 36 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 39 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 38 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 35 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 37 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 54 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 50 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 53 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 51 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 45 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 46/69/73 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 52 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 43 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 49 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 48/75/47 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 65 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 62 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 44 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 59 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 42 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 72 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 71 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 68/41/64 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 40/57 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 67 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 58 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 63 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 61/74 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 76/70 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 66/80 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 55 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 56 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 60 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 79 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 78 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 81 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 77 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 104 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 96/103 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 100 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 94 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 102/98 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 121/93/95 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 88 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 91 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 92 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 84/90 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 101/89/113 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 99 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 119 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 112 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 120/83 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 97/125/86 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 116/117 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 111/115/87 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 109 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 85 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 110 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 82 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 124 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 108/107 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 123 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 118/106 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 114/122 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 105/127 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 126 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 155 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 150 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 152 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 148/145 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 136/154 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 151 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 135 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 144 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 147 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 149/139 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 140 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 143 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 134/133 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 165/131 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 142/146/161 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 153/168 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 132 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 141 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 137 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 130 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 164/163 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 138/160/158 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 129 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 166 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 159 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 162 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 128/167 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 156 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 157 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 169 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 188 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 184 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 179 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 176 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 186/178 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 175 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 187/182 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 183 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 185 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 174 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 181 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 177 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 171 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 173 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 192/172 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 180/193 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 191 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 170/190 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 189 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 202 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 201 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 204 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 197 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 200 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 198 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 199 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 203/196 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 195 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 194 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 205 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 208 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 207 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 206 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: PCB 209 (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total HCH (calculated); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection; Sampling and Analyzing Method: Sum of HCHs.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total Chlordane (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection; Sampling and Analyzing Method: Sum of Chlordanes.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total DDT (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection; Sampling and Analyzing Method: Sum of DDTs.
            processStep:  (LE_ProcessStep)
                description:  Parameter or Variable: Total PCB (measured); Units: ng/ea; Observation Category: laboratory analysis; Sampling Instrument: gas chromatograph/electron capture detection; Sampling and Analyzing Method: Sum of PCBs.
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
        contact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            role:  (CI_RoleCode) custodian
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  chromatograph
            type:  chromatograph
            description:  Gas, ion, liquid or other chromatograph