{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "Nicole Herman-Mercer", "hasEmail": "mailto:nhmercer@usgs.gov"}, "description": "This dataset includes data quality assurance information concerning the Relative Percent Difference (RPD) of laboratory duplicates.  No laboratory duplicate information exists for 2010.  The formula for calculating relative percent difference is: ABS(2*[(A-B)/(A+B)]).  An RPD of less the 10% is considered acceptable.", "distribution": [{"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.576420d6e4b07657d19ba823.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}, {"@type": "dcat:Distribution", "accessURL": "http://dx.doi.org/10.5066/F77D2S7B", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_576420d6e4b07657d19ba823", "keyword": ["USGS:576420d6e4b07657d19ba823", "Water Quality"], "modified": "2020-08-31T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "theme": ["geospatial"], "title": "Data Quality Assurance - Laboratory duplicates"}