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Home » California, Government Regulation, Regional, Scientific Research

Hazard Evaluation System and Information Service (HESIS)

17 May 2008 32,456 views 2 Comments

An Introduction to Chemical Hazards in the Workplace
” … What makes a chemical toxic?

“The toxicity of a substance is its ability to cause harmful effects. These
effects can strike a single cell, a group of cells, an organ system, or the
entire body. A toxic effect may be visible damage, or a decrease in
performance or function measureable only by a test. All chemicals
can cause harm. When only a very large amount of the chemical can
cause damage, the chemical is considered to be relatively non-toxic.
When a small amount can be harmful, the chemical is considered toxic.

“The toxicity of a substance depends on three factors: its chemical structure,
the extent to which the substance is absorbed by the body, and the body’s
ability to detoxify the substance (change it into less toxic substances) and
eliminate it from the body.

“Are “toxic” and “hazardous” the same? “No. …”
http://www.dhs.ca.gov/ohb/HESIS/uts.htm?

California’s Occupational Health Branch (OHB)
http://www.dhs.ca.gov/ohb/Default.htm

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2 Comments »

  • C M said:

    Please help me find an indoor air quality test for my daughter’s car, something is breaking down and outgassing. She is very ill and we need to pinpoint the substance. It is important we find it quickly. Thank you so very much.

  • Beth Flaherty said:

    Dear cm,
    I have no clue if this is what your daughters issue is, but I had ozoned my last car and it changed the molecticular structure of the rubber hosing under the hood to a poisonous level. I wasn’t careful enough with the ozone. Get rid of the car maybe because to replace all of that is way to expensive and your daughters health is far more important as you know! Perhaps you already have 🙂

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