{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Ellie P. Foss", "hasEmail": "mailto:eepark@usgs.gov"}, "description": "This metadata record contains 14 tables of biogeochemical data collected to evaluate the fate and transport of chlorinated ethenes in Area B groundwater, Fort Detrick, Frederick, Maryland collected during 2018-2020. Included in the dataset are (1) FtD_All_Constituents_NA_2019: concentrations of all non-VOC constituents analyzed as part of the natural attenuation sampling event in 2019, (2) FtD_All_Constituents_NA_2020: concentrations of all non-VOC constituents analyzed as part of the natural attenuation sampling event in 2020, (3) FtD_All_Constituents_PW_2019: concentrations of all non-VOC constituents analyzed as part of the porewater-surface water sampling event in 2019, (4) FtD_All_Constituents_PW_2020: concentrations of all non-VOC constituents analyzed as part of the porewater-surface water sampling event in 2020, (5) FtD_Concentrations_in_Rock_Matrix_VOC_2020: calculated concentrations of VOCs detected in rock matrix cores, extracted in 2020, (6) FtD_ISM_QuantArray_2020: abundance of microbial communities analyzed as part of the in situ microcosm event in 2020, (7) FtD_ISM_VOC_2020: concentrations of VOCs from the in situ microcosm event in 2020, (8) FtD_ISM_Redox_2020: concentrations of oxidation-reduction (redox) constituents from the in situ microcosm event in 2020, (9) FtD_MeOH_Extract_VOC_2020: concentrations of VOCs in methanol extracts of rock cores, extracted in 2020, (10) FtD_NA_VOC_2019: concentrations of VOCs analyzed as part of the natural attenuation sampling event in 2019, (11) FtD_NA_VOC_2020: concentrations of VOCs analyzed as part of the natural attenuation sampling event in 2020, (12) FtD_PW_VOC_2019: concentrations of VOCs analyzed as part of the porewater-surface water sampling event in 2019, (13) FtD_PW_VOC_2020: concentrations of VOCs analyzed as part of the porewater-surface water sampling event in 2020, and (14) FtD_USGS_Laboratory_evaluation_samples_VOC_2020: concentrations of VOCs analyzed as part of laboratory comparison in 2020.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P9TV3Z2K", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.6243687cd34e22d73748d41d.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_6243687cd34e22d73748d41d", "keyword": ["USGS:6243687cd34e22d73748d41d", "VOC", "biogeochemical", "bioremediation", "chlorinated ethenes", "inlandWaters", "matrix diffusion", "microcosm", "natural attenuation", "rock core", "volatile organic compound"], "modified": "2025-04-15T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-77.46271, 39.42323, -77.42898, 39.44276", "theme": ["geospatial"], "title": "Volatile organic compound and biogeochemical parameter concentrations from samples collected in porewater, groundwater, and rock matrix, Fort Detrick, Frederick, Maryland, 2018-2020"}