Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Helsel AND D AND R)

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Select Item	Title	Year Published
1	Assessing Ground-Water Vulnerability to Contamination: Providing Scientifically Defensible Information for Decision Makers.	2003
2	Assessment of selected technologies for remediation of manufactured gas plant sites	1991
3	Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program /	2000
4	Nondetects and data analysis : statistics for censored environmental data /	2005
5	Nutrients in the nation's waters : identifying problems and progress : a National Water-Quality Assessment of nutrients /	1996
6	Nutrients in the nation's waters : too much of a good thing? /	1996
7	Statistical methods in water resources /	1992
8	Statistical methods in water resources /	1993
9	Statistics for censored environmental data using Minitab and R /	2012
10	Thermal desorption/ultraviolet photolysis process research, test and evaluation performed at Johnston Island for the USAF installation restoration program	1987

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