Search Results : EPA National Library Catalog

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  1 Review of the Current Status of Marine Algal Toxicity Testing in the United States. 1993
  2 Synthetic Substrata for Propagation and Testing of Soil and Sediment Organisms. 1992
  3 Use of Marsh Plants for Toxicity Testing of Water and Sediment. 1992
  4 Responses of Wetland Plants to Effluents in Water and Sediment. 1991
  5 Toxicity Tests of Effluents with Marsh Plants in Water and Sediment. 1991
  6 Anatomy of the Seed and Seedling of 'Spartina alterniflora' Lois. (Poaceae). 1990
  7 Artificial Sediments for Use in Tests with Wetland Plants. 1990
  8 Bostrichobranchus digonas: Confirmation of Its Presence in the Gulf of Mexico. 1989
  9 Data Assessment Reports for CEMS (Continuous Emission Monitoring Systems) at Subpart Da Facilities. 1989
  10 Effect of Ampicillin-Induced Alterations in Murine Intestinal Microbiota on the Survival and Competition of Environmentally Released Pseudomonads. 1989
  11 Intralaboratory Precision of Saltwater Short-Term Chronic Toxicity Tests. 1989
  12 Microwave Irradiation for Rapid Killing and Fixing of Plant Tissue. 1989
  13 Analysis by Chemical Class of Salmonella Mutagenicity Tests as Predictors of Animal Carcinogenicity (Journal Version). 1988
  14 Comparison of long-run forecasts of demand for fishing, hunting and nonconsumptive wildlife recreation based on the 1980 and 1985 national surveys / 1988
  15 Gunnison County interindustry spending and employment attributed to fishing at Blue Mesa Reservoir 1988
  16 In vivo and In vitro Intestinal Survival and Competition of Environmental 'Pseudomonas' Species. 1988
  17 Minutocellus polymorphus': A New Marine Diatom for Use in Algal Toxicity Tests. 1988
  18 Principles of Toxicity Testing with Marine Unicellular Algae. 1988
  19 Review of outdoor recreation economic demand studies with nonmarket benefit estimates, 1968-1988 1988
  20 Comparison of the EC50s of Algal Toxicity Tests Calculated by Four Methods. 1987
  21 Economic benefits and costs of the fish stocking program at Blue Mesa Reservoir, Colorado 1987
  22 Evaluating the Toxicity of Urban Patterns of Oxidant Gases. 1. An Automated Chronic Gaseous Animal Inhalation Exposure Facility. 1987
  23 Responses of Marine Unicellular Algae to Brominated Organic Compounds in Six Growth Media. 1987
  24 Wildlife and fish use assessment long-run forecasts of participation in fishing, hunting and nonconsumptive wildlife recreation / 1987
  25 Inhibition of Arm Regeneration by 'Ophioderma brevispina' (Echinodermata, Ophiuroidea) by Tributylin Oxide. 1986
  26 Lugworm ('Arenicola cristata') Larvae in Toxicity Tests: Survival and Development When Exposed to Organotins. 1986
  27 Organotin Toxicity Studies Conducted with Selected Marine Organisms at EPA's Environmental Research Laboratory, Gulf Breeze, Florida. 1986
  28 Effects of Organotins on Growth and Survival of Two Marine Diatoms, 'Skeletonema costatum' and 'Thalassiosira pseudonana'. 1985
  29 Final report of effect of fenthion on selected estuarine species related to field study. 1984
  30 Report on species tested and preliminary findings. 1983
  31 Algal Bioassays of Industrial and Energy Process Effluents. 1982
  32 Empirical application of a model for estimating the recreation value of instream flow 1980
  33 Empirical application of a model for estimating the recreation value of water in reservoirs compared to instream flow 1980
  34 Measuring benefits and the economic value of water in recreation on high country reservoirs 1980
  35 Option values, preservation values and recreational benefits of improved water quality : a case study of the South Platte River Basin, Colorado / 1978
  36 Option values, preservation values and recreational benefits of improved water quality : a case study of the South Platte River Basin, Colorado. 1978
  37 Option values, preservation values and recreational benefits of improved water quality : a case study of the South Platte River Basin, Colorado / 1977

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