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From: Michael Boyd <safetyleadership**At_Symbol_Here**GMAIL.COM>
Subject: Re: [DCHAS-L] Laboratory vacuum pumps and record of use to prevent cross-contamination
Date: Mon, 10 Mar 2014 19:47:23 -0400
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Message-ID: 17B599BE-B766-4A1E-Mar 10 2014 - Re: [DCHAS-L] Laboratory vacuum pum…-A6F2DA2684A0**At_Symbol_Here**gmail.com
In-Reply-To <5975156B-6E4A-4E89-BAF3-08831625A7E9**At_Symbol_Here**anl.gov>

Demystify: 

We require traps before the vacuum pump to prevent/minimize contaminating the vacuum pump oil. If the oil is contaminated, you also have the potential for exposure to contaminants when the oil is changed, so we perform that task in a hood. 

Michael Boyd
HSES Leader
MATRIC


On Mar 10, 2014, at 4:58 PM, "Rupkey, Steven A." <srupkey**At_Symbol_Here**ANL.GOV> wrote:

Greetings;

The 2011 Ed. of Prudent Practices suggests that:

General-purpose laboratory vacuum pumps should have a record of use to prevent cross-contamination or reactive chemical incompatibility problems.  

Q1: Are you requiring this in your academic, governmental or private laboratories?
Q2: If no, why not?
Q3: If yes, how are you handling this.


Sincerely, 
Steve Rupkey, CIH

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