Date: Thu, 19 Feb 2004 17:07:01 -0500
Reply-To: "Peart, Charlyn M" <charlyn_peart**At_Symbol_Here**MERCK.COM>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Peart, Charlyn M" <charlyn_peart**At_Symbol_Here**MERCK.COM>
Subject: FW: Request 1910.1450

> My question for the group is related to the Lab Standard OSHA 1910.1450 > and the relationship with Subpart Z. I am looking for air monitoring > practices for laboratory employees regarding work in the fume hood and > small quantity bench top work for OSHA regulated chemicals. In addition > to the monitoring practices the rationale for that approach would be > helpful. > I included the following references.... > 1910.1450(d)(1) ---employer shall measure the employee's exposure to any > substance regulated by a standard which requires monitoring if there is > reason to believe that exposure levels for the substance routinely exceed > the AL. > > 1910.1450 (C) --for lab use of OSHA regulated substances, the employer > shall assure that the lab employees' exposure to such substances do not > exceed the PEL. > > Using methylene chloride as an example, 1910.1052 (d)(1) states--where MC > is present in the workplace, the employer shall determine each employee's > exposure by taking a personal breathing zone sample or taking > representative sample. > > Based on this information (and other information in the standard) do you > conduct air monitoring for employees working in a fumehood? If not, is > this because you do not anticipate levels which exceed the action level > per 1910.1450(d)(1) above? How do you document this rationale / > assessment? > > > Thank you for your assistance. > > > Charlyn M. Peart > Charlyn M. Peart, CIH > Safety & Industrial Hygiene > (215) 652-5565 > WP20-111 > ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (One Merck Drive, Whitehouse Station, New Jersey, USA 08889), and/or its affiliates (which may be known outside the United States as Merck Frosst, Merck Sharp & Dohme or MSD and in Japan, as Banyu) that may be confidential, proprietary copyrighted and/or legally privileged. It is intended solely for the use of the individual or entity named on this message. If you are not the intended recipient, and have received this message in error, please notify us immediately by reply e-mail and then delete it from your system. ------------------------------------------------------------------------------

Previous post   |  Top of Page   |   Next post

The content of this page reflects the personal opinion(s) of the author(s) only, not the American Chemical Society, ILPI, Safety Emporium, or any other party. Use of any information on this page is at the reader's own risk. Unauthorized reproduction of these materials is prohibited. Send questions/comments about the archive to
The maintenance and hosting of the DCHAS-L archive is provided through the generous support of Safety Emporium.