From: ACTSNYC**At_Symbol_Here**cs.com Subject: Re: [DCHAS-L] MSDS question Date: May 27, 2006 8:43:23 AM EDT (CA) >For example, for your safety programs, inside each and every telephone book in the US is a toll-free 800 number that will connect you to your appropriate Regional Poison Center for expert advice on all poisonings, whether by ingestion, dermal or eye exposure, or inhalation. They have access to the most up-to-date medical treatment recommendations and can put you in touch with appropriate health care practitioners in a variety of medical fields. Well,,,, yes. But again, in my field, the information the PC Centers have on art materials comes from the manufacturers just as the information on the MSDS is from the manufacturers. And I often have serious disagreements with them about the ingredients the mfgs choose to list and those they have decided are "nontoxic." The best example of this I can give you is that until the late 1990s, manufacturers labeled lead-bearing ceramic glazes as not only "nontoxic" but "lead-free." They did this on the basis of an acid leach test. But people are not acid and water--we have many other mechanisms for appropriating lead from glass frits. In 1985, I provided the industry through the ASTM D-4236 committee a copy of a study showing there was no difference in bioavailability between lead frits and red lead by both ingestion and inhalation in animals. They ignored me until there were actual deaths in nursing homes after elderly patients ingested their little cups of glaze thinking it was medicine. Later, I was an expert witness in two cases of allegedly (they settled) brain-damaged kids whose mothers worked with ceramic glazes thinking they were safe. That acid leach test (ASTM D 5517) is still used to test the safety of artist's paints! And lead is just one of dozens of toxic art material ingredients about which I have questions. Artists materials are exempt from the CPSC lead and cadmium paint rules and contain just about anything. The PC centers are wonderful for immediate response. After that, find out what is in the product and look up the chemicals yourself. PC Centers only concentrate on acute effects and not long term organ damage, sensitization, cancer, birth defects, etc. You may need that chronic information for follow up medical surveillance. Monona Rossol
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