| Note: |
A chemical is toxic if: |
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• The latest printed edition of the National Institute for Occupational Safety and Health (NIOSH) Registry of Toxic Effects of
Chemical Substances (RTECS) lists the substance. This may be obtained on-line, CD-ROM, or on a computer tape. |
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• Testing by or known to the employer has shown positive evidence that the substance is an acute or chronic health hazard. |
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• A material safety data sheet (MSDS) kept by or known to the employer shows the material may be a hazard to human health. |