Date: Mon, 18 Jun 2007 16:33:03 -0400
Reply-To: "Hofbauer, Ken **At_Symbol_Here** CSE" <Ken.Hofbauer**At_Symbol_Here**L-3COM.COM>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Hofbauer, Ken **At_Symbol_Here** CSE" <Ken.Hofbauer**At_Symbol_Here**L-3COM.COM>
Subject: Re: MeOH and organic vapor cartridges
Comments: To: "Hadden, Susan [PRDUS]"
In-Reply-To: A<163282172E7D874896E984D5CC2A66B2602647**At_Symbol_Here**>

This is an odor threshold issue. MeOH has very poor odor detection hence you can't detect cartridge breakthrough. Kenneth Hofbauer, Ph.D. Director, ES&H L-3 Communications Corp. 1 Federal Street Camden, NJ 08103 (856) 338-4745 (856) 338-2990 [fax] "In preparing for battle I have always found that plans are useless, but planning is indispensable." Dwight D. Eisenhower -----Original Message----- From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**LIST.UVM.EDU] On Behalf Of Hadden, Susan [PRDUS] Sent: Monday, June 18, 2007 8:04 AM To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU Subject: [DCHAS-L] MeOH and organic vapor cartridges I recently learned that organic vapor respirator cartridges do not adequately filter out methanol. Can someone explain why? Are there other common solvents that these cartridges are inadequate for? Thanks, Susan Hadden Senior Occupational Safety Specialist J&J PRD Environmental, Health & Safety 1000 Rt 202, PO Box 300 Raritan, NJ 08869 908-704-4295 (ph), 908-707-9211 (fax)

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