Search Results for the EPA National Library Catalog

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Nitric Oxide Measurements in a Simulated Spark Ignition Engine. 1971
Nitrogen and phosphorus determinations in estuarine waters : a comparison of methods used in Chesapeake Bay monitoring / 1987
Nitrosamines 1983
NO/Char Reactions at Pulverized Coal Flame Conditions. 1981
Nomethane organic compound monitoring program : final report 1988. Volume 2. Urban air toxics monitoring program / 1989
Nomethane organic compound monitoring program : final report 1988. Volume 2. Urban air toxics monitoring program / 1988
Nonoccupational Pesticide Exposure Study (NOPES) : final report / 1990
Nonphotochemical Decomposition of Fluorene Vapor-Adsorbed on Coal Fly Ash. 1981
Note on Large Velocity Discontinuities in the Solar Wind. 1971
Novel Amphibian Tier 2 Testing Protocol: A 30-Week Exposure of Xenopus Tropicalis to the Antiandrogen Flutamide. 2007
Novel Approach to Metal-Humic Complexation Studies by Lanthanide Ion Probe Spectroscopy. 1989
Novel Method for Studying the Public Health Significance of Macroinvertebrates Occurring in Potable Water. 1984
Nuclear Medicine Environmental Discharge Measurement. 1975
Nuclear methods in environmental research {proceedings} 1971
Numerical solution of ordinary differential equations 1987
OAP Regional Economic Model Utilization. Phase I. Volume I. Simulation and Analysis. 1972
OASIS : parameter estimation system for aquifer restoration models : user's manual version 2.0 / 1990
Occurrence and Distribution of Organic Chemicals in Two Landfill Leachate Plumes. 1984
Occurrence and Public Health Significance of Invertebrates in Drinking Water Systems. 1986
Occurrence of Acid Precipitation on the West Coast of the United States. 1981
Occurrence of Macroinvertebrates in a Public Drinking Water Supply. 1984
Oceanography from Space Revisited / [electronic resource] : 2010
Offshore Platform Hazardous Waste Incineration Facility: Feasibility Study. 1981
Oil Spill Clean Up. 1991
On the Question of Determining Oxygen and Carbon Dioxide in the Air (K Voprosu ob Opredelenii Kisloroda i Uglekislogo Gaza v Vozdukhe). 1974
On-farm improvements to reduce sediment and nutrients in irrigation return flow / 1984
On-site treatment of creosote and pentachlorophenol sludges and contaminated soil / 1991
Onshore planning for offshore oil lessons from Scotland / 1975
Ontogeny of the Acoustic Startle Response and Sensitization to Background Noise in the Rat (Journal Version). 1988
Operation and maintenance manual for electrostatic precipitators. 1985
Opportunities for government procurement of new and innovative recycled content products / 1995
Optimization of surrogates for semivolatile organic analysis / 1996
Optimization of the Hamilton-Thorn Computerized Sperm Motility Analysis System for Use with Rat Spermatozoa in Toxicological Studies. 1993
Optional cost models for landfill disposal of municipal solid waste / 1985
Optional Cost Models for Landfill Disposal of Municipal Solid Waste. 1985
Options for Resource Recovery and Disposal of Scrap Tires. Volume 1. 1981
Oral toxicology studies with xylene isomers and mixed xylenes / 1988
Organic acids in naturally colored surface waters / 1966
Organic chemical manufacturing : selected processes / 1980
Organic chemical manufacturing : selected processes / 1980
Organic Contaminants - Lake Huron. 1977
Organic Contaminants. 1977
Organic content of secondary sewage effluents / 1959
Organic Loading Study of Full-Scale Sequencing Batch Reactors. 1985
Organic matter in water supplies: occurrence, significance, and control; proceedings. 1973
Outreach to manufacturers of lead test kits / 1993
Outreach to Manufacturers of Lead Test Kits. 1993
Oxidative Degradation of Aquatic Humic Material. 1987
Oxidative Transformations of Polycyclic Aromatic Hydrocarbons Adsorbed on Coal Fly Ash. 1980
Oxygen regeneration of polluted rivers: the Passaic River / 1971
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