Correct placement of air sampling cassettes on abrasive blasters.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

January 4, 1999

Mr. James T. Ferguson
National Steel and Building Company
Industrial Hygiene Department
P.O. Box 82278
San Diego, CA 92186-5278

Dear Mr. Ferguson:

This is in response to your October 14, letter addressed to Mr. Gabriel Gillotti, Director of the Occupational Safety and Health Administration's (OSHA's) San Francisco Regional Office, Office of Voluntary Programs and Outreach. Your letter has been forwarded to OSHA's National Office for response.

Abrasive blasting monitoring requirements and sampling procedures.

OSHA requirements are set by statute, standards and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. This letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information. To keep apprised of such developments, you can consult OSHA's website at https://www.osha.gov.

August 13, 1999

Ms. Irene S. Fanelli, CIH
Environmental Health Consultants
P. O. Box 114910
Burlingame, California 94011-7910

Dear Ms. Fanelli:

We are in receipt of your letter of January 8, 1999, requesting assistance regarding exposure monitoring requirements for the Lead-in-Construction (29 CFR 1926.62), Arsenic (29 CFR 1910.1018), and Cadmium (29 CFR 1910.1027) Standards. Please excuse this delay in response. Your questions, repeated below, related specifically to monitoring for abrasive blasting operations.