Arsenic in Ground Water of the Willamette Basin, Oregon
Entry ID: WRIR_98_4205

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Summary
Abstract: The spatial distribution of arsenic concentrations in ground water of the
Willamette Basin was assessed by analyzing data from 728 historical and project
sites. Concentrations of arsenic ranged from < 1 to 2,000 mg/L (micrograms per
liter). Concentrations in 58 (8.0 percent) of the samples exceeded the U.S.
Environmental Protection Agency (USEPA) current Maximum Contaminant Level (MCL)
of 50 mg/L. ... View entire text
Geographic Coverage
Spatial coordinates   
  N: 46.0   S: 43.5   E: -121.9   W: -123.5

Data Set Citation
Dataset Originator/Creator: Stephen R. Hinkle and Daniel J. Polette
Dataset Title: Arsenic in Ground Water of the Willamette Basin, Oregon
Dataset Release Date: 1999
Dataset Release Place: Portland, Oregon
Dataset Publisher: U.S. Geological Survey
Data Presentation Form: database
Temporal Coverage
Start Date: 1996-01-01
Stop Date: 1997-01-01
Quality All 12 project field equipment blanks yielded arsenic concentrations
below the MRL of 1 5g/L. These results indicate that field and
laboratory methods were noncontaminating. The coefficient of
variation (CV) (standard deviation divided by mean, expressed in
percent) for each of the six sets of project triplicate split samples
ranged from ... View entire text
Access Constraints None
Use Constraints None
Data Set Progress
COMPLETE
Data Center
Water Resource Division, Oregon, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://oregon.usgs.gov

Data Center Personnel
Name: DENNIS D. LYNCH
Phone: (503) 251-3200
Fax: (503) 251-3470
Email: ddlynch at usgs.gov
Contact Address:
U.S. Geological Survey
10615 S.E. Cherry Blossom Drive
City: Portland
Province or State: Oregon
Postal Code: 97216-3159
Country: USA
Personnel
Role: TECHNICAL CONTACT
Phone: (503) 251-3237
Fax: (503) 251-3470
Email: srhinkle at usgs.gov
Contact Address:
U.S. Geological Survey
10615 SE Cherry Blossom Dr.
City: Portland
Province or State: Oregon
Postal Code: 97216
Country: USA
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Publications/References
Hinkle, S.R. And Polette, J.R., 1999. Arsenic in ground water of the
Willamette Basin, Oregon report. Water-Resources Investigations Report 98-4205
Portland, Oregon, U.S. Geological Survey.
http://oregon.usgs.gov/pubs_dir/Html/WRIR98-4205/index.html
http://oregon.usgs.gov/pubs_dir/Pdf/98-4205.pdf
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2001-06-27
Last DIF Revision Date: 2012-12-12
Future DIF Review Date: 2002-06-27
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