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Title: 10/13/1998 - Definition of a mixture under the Hazard Communication standard. | |
Record Type: Interpretation | Standard Number: 1910.1200(c); 1926.59(c) |
October 13, 1998
Ms. Katerina Eftimoff
Porter, Wright, Morris & Arthur
41 South High Street
Columbus, Ohio 43215-6194
Dear Ms Eftimoff:
Thank you for your letter of May 1, to the Occupational Safety and Health Administration (OSHA) regarding the definition of a mixture under the Hazard Communication Standard (HCS), 29 CFR 1910.1200. You asked OSHA to make the determination of whether your client's product, Iroblast, is a "mixture" as defined by the standard. Please excuse this delay in our response.
OSHA does not make hazard determinations on a case-by-case basis, since it is the manufacturer who is most familiar with a product's composition, its intended uses, and the potential downstream exposures. We are not generally involved in the hazard determination process until it is brought to our attention that the manufacturer's MSDS may be incomplete or inadequate. Regardless of the outcome of the manufacturer's determination of Iroblast as a "mixture" or a "single substance," all information listed under paragraphs (g)(2)(i) - (xii) must be included on the MSDS. Since the use of Iroblast, as stated in your letter, presents hazardous exposures to employees during its intended use, these exposures, their health effects, and all other required information must be reported on the MSDS. We offer the following guidance for your client in making the determination of whether this product is a mixture or a chemical:
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We trust that this information is useful to you. Further questions can be directed to the Office of Health Compliance Assistance at 202-219-8036.
Sincerely,
Richard E. Fairfax
Acting 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=22629&p_text_version=FALSE