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Results 1 - 10 from 127 for acute and chronic in 0.293 sec.

National Environmental Health Association
In addition, a variety of cancers, particularly hematopoietic cancers, immunologic abnormalities, and adverse reproductive and ...
www.neha.org

Specialized Services - Metals and the Environment at CANMET-MMSL
Our characterization capabilities include not only toxicity (acute and chronic) but also a variety of sub-lethal physiological responses and biomarkers of accumulation and ...
www.nrcan.gc.ca

Publications/Reports - Metals and the Environment at CANMET-MMSL
G. 2000. Physiological effects of chronic copper exposure to rainbow trout (Oncorhynchus mykiss) in hard and soft water: evaluation of chronic indicators. Environmental Toxicology and Chemistry: Vol. 19: 2298- ... and light regime on growth and survival of African catfish (Clarias gariepinus) larvae and early juveniles. Aquaculture Nutrition, 4: 157-164. McGeer, J.C. 1998. Modeling Acute and Chronic ...
www.nrcan.gc.ca More from this site

Mercury - Health and Environmental Effects
AND HEALTH Mercury is toxic by ingestion, inhalation and skin absorption with acute and chronic exposure effects including central nervous system and kidney damage. Acute exposure includes nausea, blurred vision, painful breathing, excessive salivation and pneumonitis, while chronic ...
p2pays.org

ASFA 3: Aquatic Pollution and Environmental Quality
Previous studies in this laboratory have demonstrated acute and chronic effects of DFB on survival and development of nauplii of the estuarine copepod Eurytemora affinis at ... Number CS9613918 CL: Classification X 24132 Chronic exposure; Q5 01504 Effects on organisms; O 4020 Pollution - Organisms/Ecology/Toxicology; P 6000 TOXICOLOGY AND HEALTH SF: Subfile Toxicology Abstracts ...
csa.com

Science and the Environment Bulletin: Tributyltin antifoulant hazardous to aquatic ecosystems
This phenomenon is called "imposex," the imposition of male ... likely persists longer. In many locations the concentration was high enough to cause acute and chronic toxicity to aquatic and benthic (living on the water bottom) organisms. In some areas, tributyltin ...
www.ec.gc.ca

Section 21 Petitions Filed with EPA Since September 2007 | Chemical Information Collection and Data Development (Testing) | USEPA
EPA action is needed to address any ... and safety studies related to air fresheners; Adopt a rule pursuant to TSCA Section 4 to require manufacturers to conduct acute and chronic studies to evaluate the impact of air fresheners on human health; and ...
epa.gov

Deer as Pests in the Urban and Suburban Pacific Northwest
Lyme disease is a serious condition with a wide range of acute and chronic symptoms, and it is likely to spread. Refer to NCAP's Fact ... three species have similar life cycles.12 Deer breed in November and December and have fawns from May through July. A doe usually gives ... your local Animal Control board or the Fish and Wildlife Service and they will come out and talk to them. Don't Forget to Enjoy ...
pesticide.org

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-used herbicide is likely in high enough concentrations from drift, runoff and ...
www.meepi.org

EPA > Ground Water & Drinking Water > Drinking Water and Health > What are the health effects of contaminants in drinking water?
You may want to contact the supplier for additional information specific to your area. Acute effects occur ... people's bodies can fight off these microbial contaminants the way they fight off germs, and these acute contaminants typically don't have permanent effects. Nonetheless, when high enough levels occur, ...
epa.gov