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United States Environmental Protection Agency
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Items Found: 23
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Your Search: (AUTHOR=WALSH AND G. AND E.)
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Algal Bioassays of Industrial and Energy Process Effluents.
Anatomy of the Seed and Seedling of 'Spartina alterniflora' Lois. (Poaceae).
Artificial Sediments for Use in Tests with Wetland Plants.
Bostrichobranchus digonas: Confirmation of Its Presence in the Gulf of Mexico.
Comparison of the EC50s of Algal Toxicity Tests Calculated by Four Methods.
Effect of Ampicillin-Induced Alterations in Murine Intestinal Microbiota on the Survival and Competition of Environmentally Released Pseudomonads.
Effects of Organotins on Growth and Survival of Two Marine Diatoms, 'Skeletonema costatum' and 'Thalassiosira pseudonana'.
Evaluating the Toxicity of Urban Patterns of Oxidant Gases. 1. An Automated Chronic Gaseous Animal Inhalation Exposure Facility.
Final report of effect of fenthion on selected estuarine species related to field study.
In vivo and In vitro Intestinal Survival and Competition of Environmental 'Pseudomonas' Species.
Inhibition of Arm Regeneration by 'Ophioderma brevispina' (Echinodermata, Ophiuroidea) by Tributylin Oxide.
Intralaboratory Precision of Saltwater Short-Term Chronic Toxicity Tests.
Lugworm ('Arenicola cristata') Larvae in Toxicity Tests: Survival and Development When Exposed to Organotins.
Microwave Irradiation for Rapid Killing and Fixing of Plant Tissue.
Minutocellus polymorphus': A New Marine Diatom for Use in Algal Toxicity Tests.
Organotin Toxicity Studies Conducted with Selected Marine Organisms at EPA's Environmental Research Laboratory, Gulf Breeze, Florida.
Principles of Toxicity Testing with Marine Unicellular Algae.
Responses of Marine Unicellular Algae to Brominated Organic Compounds in Six Growth Media.
Responses of Wetland Plants to Effluents in Water and Sediment.
Review of the Current Status of Marine Algal Toxicity Testing in the United States.
Synthetic Substrata for Propagation and Testing of Soil and Sediment Organisms.
Toxicity Tests of Effluents with Marsh Plants in Water and Sediment.
Use of Marsh Plants for Toxicity Testing of Water and Sediment.
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