toxic substances

Listing 1 - 10 from 76 for toxic substances

Glossary of Terms
... or short term exposure to a compound. Adsorption The condensation of gases, liquids, or dissolved substances on the surfaces of solids. Adverse Health Effect An effect that causes functional impairment, ... Alkaline; a compound with a pH above 7. Bioaccumulation The accumulation within living organisms of toxic substances occuring in the environment. Back to Top - C - Cancer A disease that tends to ...
extoxnet.orst.edu

EXTOXNET FAQs - Natural Toxins in Food
... Food Natural Toxins in Food While we usually think of toxic substances as coming from man-made sources, many occur naturally. For example, toxic mussel outbreaks in the ocean have claimed lives and caused illness because the mussels consumed contained an algal toxin. Fresh water is not without toxic substances, either. For ...
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Withering and Scorching of Foliage
... to foliage tissue, with these often accumulating on leaf margins and scorching occurs. Many substances are toxic to plants and their modes of action differ. Atmospheric toxicity - Certain air ... leaf edges initially. This could be confused with damage caused by root failure or toxic substances. Vascular diseases - Plants or trees infected with vascular disease organisms such as Fusarium wilt, ...
plantpathology.tamu.edu

The Grass Roots
... to Toxics Northwest Coalition for Alternatives to Pesticides Pesticide Action Network North America Agency for Toxic Substances and Disease Registry Genetically Modified Organisms Food First ETC group nelsonfarm.net True Food Network ...
signsofdissent.com

WSU Whatcom County Wildlife
... Office Dave Correll's Vegetated Stream Riparian Zones: Their Effects on Stream Nutrients, Sediments, and Toxic Substances Bibliography Nooksack Salmon Enhancement Association - NSEA University of Washington Columbia Basin Salmon links U of ...
whatcom.wsu.edu

WSU Whatcom County Extension
... Judgement) Dave Correll's Vegetated Stream Riparian Zones: Their Effects on Stream Nutrients, Sediments, and Toxic Substances Bibliography The Pacific Northwest Ecosystem Research Consortium CNIE -- Committee for the National Institute for the ...
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APSnet Education Center - Laboratory Exercises in Plant Pathology - Cytology of Fungal Infection
... pathogen, (2) competition with the pathogen for nutrients or other resources, or (3) excretion of toxic substances. For students with access to Agrios (1), read about "Mechanism of Action" on p. 307 ...
www.apsnet.org

Glossary of Tree Terms—The Tree Guide at Arborday.org
... The suppression of growth of one plant species by another due to the release of toxic substances. alternate Leaves that are staggered, not placed directly across from each other on the twig ... material in an inert form with the tree, and converting some of it to other substances, possibly even breaking it down into the normal end product of a tree's chemical ...
www.arborday.org

Open Directory - Science: Social Sciences: Communication: Health Communication
... information through various media. Health Risk Communication Primer - Practical guide from the US Agency for Toxic Substances and Disease Registry to communicating health risks to the public in writing, through meetings, and ...
dmoz.org

Open Directory - Recreation: Pets: Pigs
... of a variety of feed brands, and litter box tips. Swine On-line - Guide to toxic substances, vaccinations, diseases and parasites. Listings of clubs and publications, judging guidelines and history. Tips on ...
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