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Standard Interpretations - Table of Contents
• Standard Number: 1910.1200

November 19, 1997

Mr. Mark B. Vandenbusch
Environmental Analyst
Wisconsin Public Service Corporation
700 North Adams Street
Post Office Box 19002
Green Bay, Wisconsin 54307-9002

Dear Mr. Vandenbusch:

Thank you for your letter of August 19, in which you provided clarification to an earlier communication addressed to Congressman Jay Johnson and then forwarded to the Occupational Safety and Health Administration (OSHA) for response. In both correspondences, you have suggested that OSHA require manufacturers to post Material Safety Data Sheets.(MSDSs) on the Internet and to print the Internet address for the product on the product label. You stated that this would provide a cost savings for manufacturers and would make compliance with the Hazard Communication Standard (HCS) easier.

While a requirement of this nature may appear to address certain issues, the premise of our original response remains the same. That is, the HCS is performance-oriented, and as such, OSHA has avoided mandating how employers achieve compliance with the standard. Additionally, some manufacturers may consider MSDS information to be proprietary, and would not want to post this information for public access. Other manufacturers, however, have taken advantage of the Internet and use this as a vehicle for the downstream flow of hazard information. For your information, we have provided guidance, as follows, for manufacturers who use the Internet to supply MSDSs to downstream users:

Document that customers have access to the Internet and are willing to retrieve MSDSs from this source.

Provide these customers with a letter giving them the Internet address of all MSDSs.

Ensure that the most current MSDS is always available on the Internet. In the event of a significant change in health hazard information, some positive means of contact, such as a letter or e-mail notification, stating that the MSDS has changed and the updated MSDS is available would be required.

In the event of system failure or on-line access delays, a reliable back-up for quickly receiving the required information must be available.

Many forms of electronic transmission of hazard information, such as CD-Rom, the Internet, and fax-on-demand, are available and are being used. While use of the Internet may provide a cost-savings, it is up to each manufacturer, not OSHA, to decide the best route of transmission for their hazard information.

We appreciate the time and the interest you have taken in this issue. Further questions can be directed to Maureen O'Donnell, Office of Health Compliance Assistance, (202) 219-8036, ext. 41.


Charles N. Jeffress
Assistant Secretary

Standard Interpretations - Table of Contents

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