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[null,"1.","Record Nr.",null,"UNINA9910697852903321"]
[null,null,"Titolo",null,"The analysis of occurrence data from the First Unregulated Contaminant Monitoring Regulation (UCMR 1) in support of regulatory determinations for the Second Drinking Water Contaminant Candidate List (CCL 2) [[electronic resource] /] / United States Environmental Protection Agency, Office of Water"]
[null,null,"Pubbl/distr/stampa",null,"[Washington, D.C.] : , : U.S. Environmental Protection Agency, Office of Water, , [2008]"]
[null,null,"Descrizione fisica",null,"1 online resource (278 unnumbered pages) : illustrations, maps"]
[null,null,"Soggetti",null,"Drinking water - Contamination - Government policy - United States"]
[{"$nulls":4},"Boron"]
[{"$nulls":4},"Metolachlor"]
[{"$nulls":4},"Butyl methyl ether"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Title from title screen (EPA, viewed Oct 6, 2008)."]
[{"$nulls":4},"\"June 2008.\""]
[{"$nulls":4},"\"EPA 815-R-08-013.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references."]
[null,null,"Nota di contenuto",null,"Introduction -- Regulatory background -- Two-stage analytical approach for small and large systems -- Analytical tools -- UCMR 1 Program overview -- UCMR 1 design and implementation -- Large systems (Serving >10,000 people) -- Small systems (Serving <10,000 people) -- UCMR 1 data description -- Data overview -- Data management -- Assessments of data completeness and representativeness -- Additional data management considerations -- Description of Stage 1 analytical methodology -- Stage 1 analysis -- Additional considerations for Stage 1 analysis -- Sample-point-level analyses -- Description of Stage 2 analytical methodology -- Stage 1 occurrence estimates -- Stage 2 occurrence estimates: an example -- Spatial and graphical assessments of contaminants ."]