Search Results for the EPA National Library Catalog

Items Found: 437

Showing: Items 201 - 250

Your Search: (SUBJECT=Water quality Measurement.)

 
 
 

PREV 1 2 3 4 5 6 7 8 9 NEXT
Select Item Title Year Published
Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms / 2002
Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms / 1991
Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms / 1991
Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms. 2002
Methods for measuring the acute toxicity of effluents to freshwater and marine organisms / 1985
Methods for the determination of trace organic materials in water 1966
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : arsenic speciation in natural-water samples using laboratory and field methods / 2002
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : comparison of a nitric acid in-bottle digestion procedure to other whole-water digestion procedures / 1999
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion / 2000
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of elements in whole-water digests using inductively coupled plasma-optical emission spectrometry and inductively coupled plasma-mass spectrometry / 1998
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of organic plus inorganic mercury in filtered and unfiltered natural water with cold vapor, atomic fluorescence spectrometry / 2001
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of wastewater compounds by polystyrene-divinylbenzene solid-phase extraction and capillary-column gas chromatography/mass spectrometry / 2002
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of whole-water recoverable arsenic, boron, and vanadium using inductively coupled plasma-mass spectrometry / 2000
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : evaluation of alkaline persulfate digestion as an alternative to Kjeldahl digestion for determination of total and dissolved nitrogen and phosphorus in water / 2003
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : processing, taxonomy, and quality control of benthic macroinvertebrate samples / 2000
Microbial monitoring of vulnerable public groundwater supplies 2002
Microbiological monitoring for the U.S. Geological Survey National Water-Quality Assessment Program / 2000
Mineralogical preservation of solid samples collected from anoxic subsurface environments / 2006
MINTEQA1, an equilibrium metal speciation model : user's manual / 1987
MINTEQA2/PRODEFA2, a geochemical assessment model for environmental systems : version 3.0 user's manual / 1991
Monitor's handbook 1992
Monitoring and evaluation guidebook. 1982
Monitoring bathing waters : a practical guide to the design and implementation of assessments and monitoring programmes / 2000
Monitoring needs for surface fresh waters of Washington State exclusive of Puget Sound Basin / 1986
Monitoring protocols to evaluate water quality effects of grazing management on western rangeland streams / 1993
Monitoring the sanitary bacteriological quality of potable water supplies / 1970
Multivariate methods for detecting water quality trends 1990
Murky waters : official water quality reports are all wet : an inside look at EPA's implementation of the Clean Water Act. 1999
Mussel incubation method for monitoring organochlorine compounds in freshwater recipients of pulp and paper industry 1991
National Aquatic Resource Surveys : an update. 2010
National field manual for the collection of water-quality data. 1997
New approaches for isolation of Cryptosporidium and Giardia 2000
New York Bight water quality summer of 1981 / 1981
New York Bight water quality summer of 1995 / 1995
Nonpoint source assessment of the Monocacy River with special emphasis in Double Pipe Creek watershed final report / 1986
North shore water quality data, 1971 1972
North shore water quality data, 1972 1972
NPDES administrative documents. 1997
NPDES administrative hearing manual. 0
NPDES appeals decisions. 0
NPDES compliance inspection manual 1988
NPDES compliance inspection manual / 1984
NPDES compliance inspection manual. 2004
NPDES compliance inspection manual. 1994
NPDES compliance inspection manual. 1988
NPDES compliance inspection manuals : instructor's guide. 1995
NPDES compliance inspection manuals : student's guide. 1995
NPDES compliance inspection video workbook : inspecting a Parshall flume. 1995
NPDES compliance monitoring inspector training module : biomonitoring. 1980
NPDES compliance monitoring inspector training module : legal issues. 1980
PREV 1 2 3 4 5 6 7 8 9 NEXT

Save, Print or Email Selected Records