Search Results for the EPA National Library Catalog

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Showing: Items 1801 - 1850
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Select Item Title Year Published
Nondestructive testing of water mains for physical integrity 1992
Nonfossil fueled boilers : emission test report, U.S. Sugar Company, Bryant, Florida / 1980
Nonpoint source pollution assessment of the Chemung and Susquehanna River subbasins 1975
Nonroad Source Emissions-Reference Information: topical report Work Assignment 0-06 / 1991
Nonroad Test Cycle Development: final report EPA Work Assignment 2-9 / 1998
North American range plants 1997
North American range plants / 1992
Northampton county, Pennsylvania; geology and geography, 1939
Noxious marine animals of the central and western Pacific Ocean, 1954
NTP technical report on the toxicology and carcinogenesis studies of 2,6-xylidine (2,6-dimethylaniline) (CAS no. 87-62-7) in Charles River CD rats (feed studies) 1990
NTP technical report on toxicity studies of sodium cyanide (CAS No. 143-33-9) administered in drinking water to F344/N rats and B6C3F1 mice 1993
Nutrient and suspended-sediment transported in the Susquehanna River Basin, 1992-93 / 1996
Nutrient inactivation as a lake restoration procedure : laboratory investigations / 1974
Nutrient Indicator Models for Determining Biologically Relevant Levels A case study based on the Corn Belt and Northern Great Plain Nutrient Ecoregion / [electronic resource] : 2012
Nutrient transport by sediment-water interaction. 1973
Nutrients and suspended sediment transported in the Susquehanna River Basin, 1994-96, and loading trends, calendar years 1985-96 1998
Nutrients and suspended sediment transported in the Susquehanna River Basin, 1998, and trends, January 1985 through December 1999 / 2001
Nutrients and suspended sediment transported in the Susquehanna River Basin, 2000, and trends, January 1985 through December 2000 {electronic resource} / 2001
OASIS : parameter estimation system for aquifer restoration models : user's manual version 2.0 / 1990
OASIS : parameter estimation system for aquifer restoration models : user's manual version 2.0 / 1990
Observations on fishes associated with kelp beds in southern California / 1974
Observed and simulated distribution of selected herbicides in silty loam, sandy loam, and clay soil profiles near Topeka, Kansas, 1986-88 1991
Obstetrics and gynecology / 2014
Occupational Safety and Health : Fundamental Principles and Philosophies / 2017
Ocean dumping in the New York Bight / 1975
Ocean Energy Tide and Tidal Power / [electronic resource] : 2009
Ocean Waste Disposal Practices in Metropolitan Areas of California. 1974
Of judges, politics and flounders perspectives on the cleaning up of Boston Harbor / 1986
Off-site monitoring for the Mighty Oak nuclear test / 1986
Official World Wildlife Fund guide to endangered species of North America 1990
Oil field subsurface injection of water : a symposium presented at Fort Lauderdale, Fla., 17-18 January 1977 / 1977
Oil shale development in Northwestern Colorado : water and related land impacts : Water Resources Management Workshop 1975
Oil shale research overview / 1977
Oil Shale Research Overview. 1977
Oil Shale Symposium : Sampling Analysis and Quality Assurance, March 1979 / 1980
Oil well plugging and abandonment seminar / 1998
Oilfield water systems 1974
Oklahoma environmental law handbook [electronic resource] 1992
On the Proportionality of Fine Mass Concentration and Extinction Coefficient for Bimodal Size Distributions. 1981
On the relationship of teleost scales to pigment patterns 1972
One universe : at home in the cosmos / 2000
Onsite control of sedimentation utilizing the modified block-cut method of surface mining / 1977
Ontogeny of Resistance Adaptation and Metabolic Compensation to Salinity and Temperature by the Caridean Shrimp, 'Palaemonetes pugio', and Modification by Sublethal Zinc Exposure. 1982
Open access bibliography : liberating scholarly literature with e-prints and open access journals / 2005
Open space conservation : investing in your community's economic health / 1998
Operation of the Old River Control Project, Atchafalaya Basin: An Evaluation from Multiuse Management Standpoint. 1979
Operation of the Old River control pro[j]ect, Atchafalaya Basin : an evaluation from a multiuse management standpoint / 1979
Optimization of environmental factors during the life cycle of mysidopsis bahia / 1987
Optimizing the water utility customer contact center / 2010
Optimum sampling interval for water quality monitoring in tidal estuaries / 1965
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