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Here's one MSDS for sand. http://www.jtbaker.com/msds/englishhtml/s0722.htm
"NIOSH considers this substance to be a potential occupational carcinogen."
It's the dust that's going to be the potential health hazard. ... Jim
James A. Kaufman, Ph.D.
President/CEO
Laboratory Safety Institute
192 Worcester Road, Natick MA 01760
508-647-1900 (fax) 508-647-0062
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www.labsafety.org
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