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The
American Chemical Society ( A.C.S.) |
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CAS organisatie
(zeer
uitvoerige zoekmogelijkheid op Cas. nr. etc.) |
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CS Chemfinder |
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Department
of Pesticide Regulation |
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E.M.C.I. Chemical
References Web Pages |
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EPA Office of Pesticide
Programs |
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EPA Pesticide Information
System |
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Hazarous Chemical
Database, door de University of Akron |
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Material Safet
Data Sheets |
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Meta search Waldo,
US department of Education |
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MSDS door Cornel
PDC |
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MSDS Search, een
prima site 
met dank aan Jos |
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MSDS, Where to
find on the Net |
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Plastic Resource |
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RTESC, database
of toxological substances ( betalen voor volledige info) |
SafeSite