10/24/1988 - Hazard determination and MSDS requirements under the Hazard Communication Standard (HCS)

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Title: 10/24/1988 - Hazard determination and MSDS requirements under the Hazard Communication Standard (HCS).
Record Type: InterpretationStandard Number: 1910.1200(d); 1910.1200(g)

    October 24, 1988

    Mr. Jeremy Millstone
    Policy Analyst
    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. Dispenser

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    Where the employer chooses not to undergo a hazard determination, and is assuming a mixture has the same properties as its hazardous component parts, the data sheets for the components will satisfy the material safety data sheet requirements for the mixture.

    We hope this adequately responds to your concerns. If we can be of further assistance to you, please do not hesitate to contact us.

    Sincerely,

    Thomas J. Shepich, Director
    Directorate of Compliance Programs

The original official public domain version of this document is available from OSHA at XXXOSHAURL.