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|Title: 10/24/1988 - Hazard determination and MSDS requirements under the Hazard Communication Standard (HCS).|
|Record Type: Interpretation||Standard Number: 1910.1200(d); 1910.1200(g)|
October 24, 1988
Mr. Jeremy Millstone
Jellinek, Schwartz, Connolly
& Freshman, Inc.
1350 New York Avenue, N.W., Suite 400
Washington, D.C. 20005
Dear Mr. Millstone
This is in response to your letter of October 3, addressed to Assistant Secretary, John A. Pendergrass, regarding hazard determination and material safety data sheet requirements under the Hazard Communication Standard (HCS) 29 CFR 1910.1200.
The HCS under 1910.1200(d)(5)(ii) allows a chemical manufacturer to assume an untested mixture to present the same health hazards as do the components which comprise one percent or greater of the mixture; or to be a carcinogenic hazard, if the mixture contains a component in concentrations of 0.1 percent or greater where the component is considered to be a carcinogen. Your client's material safety data sheet would be prepared correctly if the health hazards of the component parts greater than one percent, or 0.1 percent for any carcinogenic components, are reported.
|Generally applicable control measures including engineering controls, work practices or personal protective equipment and any generally applicable precautions for safe handling and use which are known to the chemical manufacturer should also be reported on the material safety data sheet. The statement "that respiratory protection is not needed with normal use," strongly implies that there are conditions of use, emergency or otherwise, for which respiratory protection or some other control measure would be necessary; i.e., use in confined spaces, in high temperatures or with inadequate ventilation. The conditions and appropriate protective measures must be included on the material safety data sheet. Similarly, the statement that "the product is not hazardous in normal use" implies that there are no hazards associated with the product. The standard is explicit in describing the criteria to be used to determine whether or not a chemical is to be considered hazardous for purposes of the HCS. The criteria can be found in Appendix B. It is the responsibility of the chemical manufacturer, importer or employer preparing the material safety data sheet to ensure that the information recorded accurately reflects the scientific evidence used in making the hazard determination.|
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Thomas J. Shepich, Director
Directorate of Compliance Programs
The official, public domain, OSHA version of this document is available at http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=19712&p_text_version=FALSE