Environmental Toxins Essay

Environmental Toxins Essay

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Dioxins
Dioxin is the common name used to refer to the chemical 2, 3, 7, 8-tetrachlorodibenzo-p-dioxin (2, 3, 7, 8-TCDD). Dioxin is one of the most toxic chemicals known CDD and the most studied (Hilgenkamp, 2006, p. 89-90), ("ATSDR - Public Health Statement: Chlorinated Dibenzo-p-dioxins (CDDs)", 1998). Dioxins in pure form, CDDs are crystals or colorless solids and odorless. The Vietnam War Vets was exposed to another dioxin called Agent Orange that was used as a defoliant, which was a spray that made the leaves fall of the trees. In 1994 the EPA says dioxin is a “serious public health threat” ("ATSDR - Public Health Statement: Chlorinated Dibenzo-p-dioxins (CDDs)", 1998), (Hilgenkamp, 2006, p. 89-90).
Dioxins are found throughout the globe in the environment in the food chain, directly in the fatty tissue of animals ("WHO | Dioxins and their effects on human health, 2010").

The possible sources of exposure
There are many ways to be exposed to dioxins by eating beef, pork, chicken, milk, cheese, shell fish and fish; this is more than 90% of the intake of CDDs for the general population. Also, breathing low levels in the air and drinking water. Skin contact with pesticides and herbicides, living near an uncontrolled hazardous waste site containing CDDs or incinerators releasing CDDs. People working in industries that are producing pesticides, working at paper and pulp mills are being exposed to CDDs. They are produced primarily during the incineration or burning of waste; many materials contain chlorine, plastics, wood treated with (PCP), pesticide-treated wastes and even bleached paper can produce CDDs. CDDs are released during combustion of fossil fuels; coal, oil, natural gas and wood. CDDs have been detec...


... middle of paper ...


... has set a limit of 0.00003 micrograms of 2, 3, 7, 8-TCDD per liter of drinking water (0.000003 ug/L). Discharges, spills, or accidental releases of 1 pound or more of 2, 3, 7, 8-TCDD must be reported to EPA ("ATSDR - Public Health Statement: Chlorinated Dibenzo-p-dioxins (CDDs)", 1998).

REFERENCES
ATSDR - Public Health Statement: Chlorinated Dibenzo-p-dioxins (CDDs). (1998, December). Retrieved April 23, 2014, from http://www.atsdr.cdc.gov/phs/phs.asp?id=361&tid=63

Hilgenkamp, K. (2006). Environmental Toxins and Toxicology. In Environmental health: Ecological perspectives (pp. 89-90). Princeton, N.J: Recording for the Blind & Dyslexic.

Welcome. (2010, December 22). Retrieved from http://www.agentorangecanada.com/

WHO | Dioxins and their effects on human health. (2010, May). Retrieved from http://www.who.int/mediacentre/factsheets/fs225/en/



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