Occupational Asthma-Targeting the Chemical Culprits
More than 330 substances are known or suspected to cause or exacerbate asthma, according to a recent report from the Massachusetts Toxic Use Reduction Institute (TURI). The report highlighted the fact "Much of the evidence (for identifying these substances) comes from workers exposed in the workplace."
http://www.whsc.on.ca/whatnews2.cfm?autoid=561