Search Results for the EPA National Library Catalog

Items Found: 984
Showing: Items 251 - 300
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Method 1631, revision C : mercury in water by oxidation, purge and trap, and cold vapor atomic fluorescence spectrometry. 2001
Method 1631, Revision E: Mercury in Water by Oxidation, Purge and Trap, and Cold Vapor Atomic Fluorescence Spectrometry. 2002
Method 1631: mercury in water by oxidation, purge and trap, and cold vapor atomic fluorescence spectrometry. 1995
Method 1632: determination of inorganic arsenic in water by hydride generation flame atomic absorption. 1995
Method 1637 : determination of trace elements in ambient waters by chelation preconcentration with graphite furnace atomic absorption. 1995
Method 1639 : determination of trace elements in ambient waters by stabilized temperature graphite furnace atomic absorption. 1995
Method 1640 : determination of trace elements in ambient waters by on-line chelation preconcentration and inductively coupled plasma-mass spectrometry. 1995
Method 1664 : n-hexane extractable material (HEM) and silica gel treated n-hexane extractable material (SGT-HEM) by extraction and gravimetry (oil and grease and total petroleum hydrocarbons) / 1994
Method 1664 : n-hexane extractable material (HEM) and silica gel treated n-hexane extractable material (SGT-HEM) by extraction and gravimetry (oil and grease and total petroleum hydrocarbons). 1995
Method 1664: N-Hexane Extractable Material (HEM) and Silica Gel Treated N-Hexane Extractable Material (SGT-HEM) by Extraction and Gravimetry (Oil and Grease and Total Petroleum Hydrocarbons), January 1995. 1995
Method A: Enterococci in Water by TaqMan (Trade Name) Quantitative Polymerase Chain Reaction (qPCR) Assay. 2010
Microbial and disinfection byproduct rules simultaneous compliance guidance manual / 1999
Microcystin Test Kit: Recreation Water Microsystin Detection. 2011
Microphotographs of Cyanobacteria Documenting the Effects of Various Cell-lysis Techniques. 2010
Mine waste technology program : permeable treatment wall effectiveness monitoring project Nevada Stewart Mine / 2007
Mississippi Embayment Regional Ground Water Study. 2011
Monitored natural attenuation of tertiary butyl alcohol (TBA) in ground water at gasoline spill sites / 2007
Monitored natural attenuation of tertiary butyl alcohol (TBA) in ground water at gasoline spill sites. [electronic resource] 2007
Monitoring groundwater quality : illustrative examples / 1976
Monitoring groundwater quality : the impact of in situ oil shale retorting / 1980
Monitoring in the vadose zone : a review of technical elements and methods / 1980
Monitoring of the Effluent Stream from Wastewater Treatment Plants. 1971
Monitoring of trace constituents during PCB recovery dredging operations : Duwamish waterway / 1977
Monitoring to Demonstrate Environmental Results: Guidance to Develop Local Stormwater Monitoring Studies Using Six Example Study Designs. 2008
Monitoring Trace Metals at Ambient Water Quality Criteria Levels. Briefing Book, January 1995. 1995
Monitoring, research, and surveillance plan for the 106-mile deepwater municipal sludge site and environs 1990
Multivariate Water Quality Investigation of Select Drainage Ditches in the Arroyo Colorado River Watershed, Texas. 2012
National Atmospheric Deposition Program/National Trends Network (NADP/NTN) Site Visitation Program: Summary Report for the Period December 1984 through September 1986. 1987
National coastal assessment : quality assurance project plan, 2001-2004 / 2001
National drinking water program redirection strategy. 1996
National guidance for the permitting, monitoring, and enforcement of water quality-based effluent limitations set below analytical detection / quantitation levels (draft) / 1994
National Marine Debris Monitoring Program: Final Program Report, Data Analysis & Summary. 2007
National primary drinking water regulations, 40 CFR, Parts 141-143. 1995
National sediment contaminant point source inventory : analysis of facility release data. 1996
National water quality inventory 1992 report to Congress. 1994
National water quality inventory : 1994 report to Congress, ground water chapters / 1996
National water quality inventory : 1994 report to Congress. 1995
National water quality inventory : 1996 report to Congress : groundwater chapters. 1998
Nationwide Urban Runoff Program, Bellevue Urban Runoff Program, Washington: Summary Report. 1984
Nationwide Urban Runoff Program: Comparison of Nonpoint Pollution Loadings from Suburban and Downtown Central Business Districts. Final Report. 1981
Natural Bioreclamation of Alkylbenzenes (BTEX) from a Gasoline Spill in Methanogenic Groundwater. 1994
Natural Wetlands and Urban Stormwater: Potential Impacts and Management. 1993
Nearfield monitoring of sludge plumes at the 106-mile deepwater municipal sludge site : results of a survey conducted August 31 through September 5, 1987 : final report / 1988
Non-Point Source Studies on Chesapeake Bay. VI. Particulate Discharge from Rhode River Subwatersheds, 1975. 1977
Non-Purgeable Volatile Organic Compounds Rapidly Determined by Gas Chromatography/Mass Spectrometry Using Direct Aqueous Injection. 1995
Notice of Data Availability (NODA) Response to Comment Document, Part 1. 1998
NPDES Compliance Monitoring Report: Oracle Ridge Mine, San Manuel, Arizona. 1992
NPDES Compliance Monitoring Report: Paloverde Decline, Pima County, Arizona. 1992
NPDES Compliance Monitoring Report: Silver Bell Mine, Pima County, Arizona. 1992
NPDES permit writers' manual / 1996
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