Search Results for the EPA National Library Catalog

Items Found: 987
Showing: Items 601 - 650
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Select Item Title Year Published
New sampling theory for measuring ecosystem structure / 1978
NHATS broad scan analysis : population estimates from fiscal year 1982 specimens / 1989
NIST/NOAA NS and T/EPA EMAP Intercomparison Exercise Program for Organic Contaminants in the Marine Environment: Description and Results of 1995 Organic Intercomparison Exercises. National Status and Trends Program for Marine Environmental Quality. 1996
Nitrate removal from water supplies by ion exchange / 1978
Nondetects and data analysis : statistics for censored environmental data / 2005
NTP Technical Report on Toxicity Studies of a Chemical Mixture of 25 Groundwater Contaminants Administered in Drinking Water to F344/N Rats and B6C3F1 Mice. 1993
Nutrient Removal from Enriched Waste Effluent by the Hydroponic Culture of Cool Season Grasses. 1969
Objective Meteorological Classification Scheme Designed to Elucidate Ozone's Dependence on Meteorology. 1993
Occurrence analysis for potential source waters for the second six-year review of national primary drinking water regulations. 2009
Occurrence estimation methodology and occurrence findings report for the Six-Year Review of existing national primary drinking water regulations / 2003
Occurrence estimation methodology and occurrence findings report for the Six-Year Review of existing national primary drinking water regulations : draft / 2002
Ocean data evaluation system : user's guide. 1987
On-Road Sampling of Diesel Engine Emissions of Polychlorinated Dibenzo-p-Dioxin and Polychlorinated Dibenzofuran. 1997
Optimal Characterization of Structure for Prediction of Properties. 1990
Optimum Macrobenthic Sampling Protocol for Detecting Pollution Impacts in the Southern California Bight. 1994
Optimum Meteorological and Air Pollution Sampling Network Selection in Urban Areas. 1977
Optimum Reservoir Operation Using Stochastic Dynamic Programming. 1970
Ordination of Aquatic Nematode Communities as Affected by Stream Water Quality. 1979
Ostrava air quality monitoring and receptor modeling study / 1997
Ozone Concentration and Pulmonary Response Relationships for 6.6-Hour Exposures with Five Hours of Moderate Exercise to 0.08, 0.10, and 0.12 PPM. 1990
Ozone: Modeling and Monitoring an Atmospheric Pollutant. 1997
Paired watershed study design / 1993
Parameterization of Observed Hydrographs. 1970
Parametric and nonparametric logistic regressions for prediction of presence/absence of an amphibian / 2001
Parametric evaluation of powdered activated carbon injection for control of mercury emissions from a municipal waste combustor / 1992
Particle TEAM (PTEAM) study : analysis of the data : final report 1996
Particulate Data from the First Year of Monitoring in Phoenix. Part 2. Organic Carbon and Elemental Composition. 1997
Particulate matter research program : five years of progress. 2004
Persistence and Disappearance by Washoff and Dryfall of Methoxychlor from Soybean Foliage - A Preliminary Study. 1981
Persistence of Lymphocytes with Dicentric Chromosomes Following Whole-Body X Irradiation of Mice. 1990
Perspective on Performance Variability in Municipal Wastewater Treatment Facilities. 1986
Perspectives on the Analysis of Massive Data Sets. 1996
Pesticide Effects on Arthropod Natural Enemies: A Database Summary. 1991
Photochemical oxidant air pollution effects on a mixed conifer forest ecosystem : final report / 1980
Phytoplankton Composition and Distribution in Saginaw Bay. 1983
Pilot-Scale Evlauation of an Incinerability Ranking System for Hazardous Organic Compounds. 1992
PIRLA 2 Project: Regional Assessment of Lake Acidification Trends. 1990
Plant Performance at the Owens-Corning Fiberglas Corporation. Wastewater Treatment Facility, Anderson, South Carolina, March 1973 - May 1973. 1973
Plant Performance at Williamsburg Waste Treatment Plant, Hampton Roads Sanitation District, Williamsburg, Virginia, January 1972-June 1972. 1973
Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans in Selected Estuarine Sediments. 1989
Potential for nutrient loadings from septic systems to ground and surface water resources and the Chesapeake Bay 1997
Power Plant Influences on Bulk Precipitation, Throughfall, and Stemflow Nutrient Inputs. 1984
Power-Cost Efficiency of Eight Macrobenthic Sampling Schemes in Puget Sound, Washington, USA. 1989
Precision and reliability of laboratory permeability measurements / 1986
Predicted Ground Water, Soil and Soil Gas Impacts from U.S. Gasolines, 2004. First Analysis of the Autumnal Data. 2005
Predicting subsurface contaminant transport and transformation : considerations for model selection and field validation / 1989
Prediction of Carboxyhemoglobin Formation Due to Transient Exposure to Carbon Monoxide. 1994
Prediction of Dew Point Temperature, Solar Radiation and Wind Movement Data for Simulation and Operations Research Models. 1974
Preliminary evaluation of sulfar variability in low-sulfur coals from selected mines / 1977
Preliminary Indicators of Income/Wealth Redistribution Associated with Bureau of Reclamation Projects. 1973
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