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Search Results for the EPA National Library Catalog
Items Found: 1075
Showing: Items 651 - 700
Your Search: (SUBJECT=PH)
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Title
Year Published
651
Methods for chemical analysis of water and wastes.
1983
652
Methods for chemical analysis of water and wastes. 1978 /
1979
653
Methods for Conducting Snail (Aplexa hypnorum) Embryo through Adult Exposures: Effects of Cadmium and Reduced pH Levels.
1984
654
Methods of removing uranium from drinking water : 1. a literature survey. 2. Present municipal water treatment and potential removal methods /
1982
655
Methods Used in Determination of Cholinesterase Activity.
1991
656
Microbial Degradation of Organic Pollutants of Industrial Origin.
1970
657
Microbial effect on the quality of leach water from eastern Montana coal mine spoils /
1980
658
Microbial Release of Soluble Phosphate in an Activated Sludge Environment.
1971
659
Microbial Response to Acid Deposition and Effects on Plant Productivity.
1984
660
Microbiological changes in source water treatment : reflections in distribution water quality /
1992
661
Microbiology of Sewage Lagoons - Role of Purple Sulfur Bacteria in the Stabilization of Industrial Wastes.
1970
662
Microprocessor-controlled ion selective electrode determination of total chlorine /
1982
663
Mid-Latitude Northern Hemisphere Background Sulfate Concentration in Rainwater.
1990
664
Mineral Dissolution Rates in Plot-Scale Field and Laboratory Experiments.
1993
665
Mineral Weathering Rates from Small-Plot Experiments, WMP Site, Bear Brooks, Maine, U.S.A.
1993
666
Mineral Weathering Rates in Acid-Sensitive Catchments: Extrapolation of Laboratory Experiments to the Field.
1992
667
Mobile Pilot Plant for Removal of Phosphate from Wastewaters by Adsorption on Alumina.
1970
668
Mobilization of Aluminum in a Natural Soil System: Effects of Hydrologic Pathways.
1987
669
Model of 'Giardia lamblia' Inactivation by Free Chlorine.
1991
670
Modeling Chemical Interactions in Anaerobic Biofilm Systems.
1993
671
Modeling of Long-Term Lake Alkalinity Responses to Acid Deposition.
1989
672
Modeling Substrate Transport into Biofilms: Role of Multiple Ions and pH Effects.
1993
673
Modelling Epicodic Acidification of Surface Waters: The State of Science.
1992
674
Monitoring of the Effluent Stream from Wastewater Treatment Plants.
1971
675
Monitoring of trace constituents during PCB recovery dredging operations : Duwamish waterway /
1977
676
Monitoring to detect previously unrecognized pollutants in surface waters /
1977
677
Monitoring to Detect Previously Unrecognized Pollutants in Surface Waters--Appendix: Organic Analysis Data.
1977
678
Morphological Variation in Djalmabatista (Diptera: Chironomidae) Associated with Coal-Strip-Mine Ponds.
1983
679
Mortality of Brook Trout, Mottled Sculpins, and Slimy Sculpins during Acidic Episodes.
1993
680
Multilaboratory Evaluation of Methods for Detecting Enteric Viruses in Soils.
1991
681
Multimedia pollution assessment of the wood products industries /
1984
682
Multiple Effects of Acid and Aluminum on Brood Stock and Progeny of Fathead Minnows, with Emphasis on Histopathology.
1990
683
Multiple Eluent and pH Effects on Ion Chromatography of Phosphate and Arsenate.
1982
684
National Atmospheric Deposition Program/National Trends Network (NADP/NTN) Site Visitation Program: Summary Report for the Period December 1984 through September 1986.
1987
685
National Atmospheric Deposition Program: 1997 Wet Deposition.
1997
686
National Atmospheric Deposition Program: 1998 Wet Deposition.
1998
687
National Atmospheric Deposition Program: 1999 Annual Summary.
1999
688
National Atmospheric Deposition Program: 2000 Annual Summary.
2000
689
National Atmospheric Deposition Program: 2001 Annual Summary.
2001
690
National Atmospheric Deposition Program: 2002 Annual Summary.
2002
691
National Atmospheric Deposition Program: 2003 Annual Summary.
2003
692
National Atmospheric Deposition Program: 2004 Annual Summary.
2004
693
National Atmospheric Deposition Program: 2005 Annual Summary.
2005
694
National Atmospheric Deposition Program: 2006 Annual Summary.
2006
695
National Atmospheric Deposition Program: 2007 Annual Summary - 30 Years of the NADP.
2007
696
National stream survey, Phase I : field operations report.
1988
697
National surface water survey : national stream survey, phase I - pilot survey--field operations report /
1987
698
National surface water survey : national stream survey, phase I--pilot survey /
1986
699
National Water Quality Network. Report on Analytical Reference Sample Type I, BD-4.
1959
700
National Water Quality Network. Report on Reference Sample Type 2, BD-4.
1963
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