Search Results for the EPA National Library Catalog

Items Found: 21

Showing: Items 1 - 21

Your Search: (AUTHOR=Spehar AND R.)

 
 
 

Select Item Title Year Published
Acute and chronic effects of water quality criteria based metal mixtures on three aquatic species 1985
Acute and chronic effects of water quality criteria based metal mixtures on three aquatic species / 1986
Acute and Chronic Effects of Water Quality Criteria-Based Metal Mixtures on Three Aquatic Species (Journal Version). 1986
Derivation of site-specific water quality criteria for cadmium and the St. Louis River Basin, Duluth, Minnesota 1984
Derivation of site-specific water quality criteria for cadmium and the St. Louis River Basin, Duluth, Minnesota / 1984
Derivation of Site-Specific Water Quality Criteria for Cadmium and the St. Louis River Basin, Duluth, Minnesota. 1984
Effects of Kelthane and Pydrin on Early Life Stages of Fathead Minnows (Pimephales promelas) and Amphipods (Hyalella azteca). 1982
Effects of Pollution on Freshwater Fish. 1979
Effects of Pollution on Freshwater Fish. 1977
Effects of Pollution on Freshwater Fish. 1980
Effects of Pollution on Freshwater Fish. 1982
Effects of Pollution on Freshwater Fish. 1978
Effects of Pollution on Freshwater Fish. 1976
Effects of Pollution on Freshwater Fish. 1981
Effects of Pollution on Freshwater Organisms. 1987
Guidelines for conducting early life stage toxicity tests with Japanese medaka (Oryzias latipes) / 1991
Guidelines for culturing the Japanese medaka (Oryzias latipes) / 1991
Interim report on data and methods for assessment of 2, 3, 7, 8- tetrachlorodibenzo-p-dioxin risks to aquatic life and associated wildlife. 1993
Pentachlorophenol Toxicity to Amphipods and Fathead Minnows at Different Test pH Values. 1985
Toxicity and Bioaccumulation of Hexachlorocyclopentadiene, Hexachloronorbornadiene and Heptachloronorbornene in Larval and Early Juvenile Fathead Minnows, 'Pimephales promelas'. 1979
Toxicity of the Synthetic Pyrethroids, Permethrin and AC 222, 705 and Their Accumulation in Early Life Stages of Fathead Minnows and Snails. 1982

Save, Print or Email Selected Records