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Results 1 - 10 from 80 for acute toxicity in 0.287 sec.

Soils Resource Kit
Registry System, and Department of Pesticide Regulation. Ever wonder what terms like Acceptable Daily Intake, Acute Toxicity, and Hazard Assessment Mean- well you can find the definitions to terms like these on ...
www.des.ucdavis.edu

EMS - Environmental Entomology - Invertebrate Surveys and Conservation - Bird and Insect Databases
J.A. Addison, S.B. Holmes 1995 Comparison of forest soil microcosm and acute toxicity studies for determining effects of fenitrothion on earthworms Ecotoxicology and Environmental Safety 30 127-133 ...
www.environmental-entomology.co.uk

Agri-Business and Endangered Atlantic Salmon
Pesticides used on blueberry fields have limited acute toxicity to Atlantic salmon, but indirect and chronic effects may be severe; Hexazinone, an oft ... of fry and parr; Malathion and azinphos-methyl (two organophosphate pesticides) may have direct, acute effects on Atlantic salmon physiology and survival, even in low concentrations; Water withdrawal can ...
www.meepi.org

Chemical Information System (The CIS) - THE CIS NEWS
First, the data were limited to acute toxicity. We looked at several records which ought also to have had data for reproductive toxicity, irritation, multiple-exposure effects, and so forth -- ... all date from the year 2000 or later. Third, the bibliographic references accompanying the acute toxicity citations were erroneous. The producers appear to have shuffled the references in such a ...
www.nisc.com

Chemical Information System (The CIS) - THE CIS NEWS
Summary field -- one saying "Acute Toxicity Data Man" and the other saying "Acute Toxicity Data Human." There are similar lines for Reproductive Data, Mutation Data, Tumorigenic Data, and Multiple Dose Toxicity Data. Each ...
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References: water-based drilling muds, drill cuttings and produced waters
Proceedings: Workshop to Identify Promising Technologies for the Treatment of Produced Water Toxicity.Health and Environmental Sciences Departmental Report No. DR351. Parsons Engineering Science, Fairfax, Virginia ... ., Carlson, A. R. and Ankley, G. T. 1992. Acid Volatile Sulfide Predicts the Acute Toxicity of Cadmium and Nickel in Sediments. Environmental Science Technology 26:96-101. Dokholyan ...
www.offshore-environment.com

Metals and the Environment
Assessing acute toxicity and developing predictive models; Investigating chronic sublethal impacts of metals. Life-cycle ... production. Characterization and identification of toxicity in effluents; Development and application of models for the prediction of effluent toxicity; Characterizing smelter emissions; Understanding the ...
www.nrcan.gc.ca

Specialized Services - Metals and the Environment at CANMET-MMSL
In addition to understanding acute toxicity in complex effluents, the program also has expertise on chronic toxicity. Examples of current work includes: effluent toxicity in the context of guidelines ... and evaluation of test methodologies for the acute or chronic toxicity of effluents in aquatic systems. Prediction models for aquatic toxicity of metals In recent years there have been ...
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Occupational health HFC-32
Glossary Faq Coming events Useful related links Occupational health HFC-32 HFC-32 (difluoromethane) The acute toxicity of difluoromethane is very low, the 4-hr LC50 being greater than 52% in air ... ). Exposures at levels up to 50,000 ppm, the highest level tested, did not cause toxicity in rats in 4 - and 13- week studies, nor did it cause developmental effects in ...
fluorocarbons.org

Chemical Information System - Rtecs
Identification of six types of toxicity data including: primary irritation, mutagenic effects, reproductive effects, tumorigenic effects, acute toxicity, other multiple dose toxicity. Includes specific numeric toxicity ...
nisc.com