Date: Sat, 15 Oct 2011 16:54:53 +0000
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sender: DCHAS-L Discussion List <dchas-l**At_Symbol_Here**>
From: "Massie, Chuck" <cmassie**At_Symbol_Here**SHERIDAN.EDU>
Subject: Re: FW: Welding Fumes
In-Reply-To: <CAFDgEeRUErNWD-zJsiCWfpTBK75aWMZXgV61nExbYnBtmCjbnA**At_Symbol_Here**>

I have been doing industrial hygiene air monitoring for some of the major equipment manufacturers that build dirt moving and mining equipment. the big concern is employee health and safety and they want to be sure not to exceed any PELs.

i have been testing mostly for hex chrome when the welders are using stainless rod and stoody. but the entire shop area could be exposed to levels above the PEL if air filtration is not being done right at or above the welder. you may contact me for more info if needed. the tests should be done over an 8 hr period to know if you have exceeded the TLV.

chuck massie

Industrial Hygienist/ haz mat technician specialist

Haz-matters Safety Inc



From: DCHAS-L Discussion List [dchas-l**At_Symbol_Here**MED.CORNELL.EDU] on behalf of Todd Tamura [todd.tamura**At_Symbol_Here**GMAIL.COM]
Sent: Friday, October 14, 2011 2:52 PM
Subject: Re: [DCHAS-L] FW: Welding Fumes

I agree with Mark that metals are probably of more interest than the pollutants you mention (manganese is another potential metal of interest).  You might be able to use one sampling type for ultimate metal analyses of several metals, but you will probably need a separate one for hexavalent chromium.  Which metals you focus on may depend on what is being welded (e.g., stainless tends to have higher Cr content than most non-stainless).

Todd Tamura
Tamura Environmental, Inc.

On Fri, Oct 14, 2011 at 10:23 AM, Williams, Mark > wrote:
Actually I don‚t think these are the most serious issues. Chromium and Nickel fumes are carcinogenic, and possibly Iron as well. You should probably test for all the metals involved.

Mark Williams
Teledyne Energy Systems Inc.
38 Loveton Cr
Sparks MD 21152

From: Laura Damon [mailto:ldamon**At_Symbol_Here**FVCC.EDU]
Sent: Wednesday, October 12, 2011 2:22 PM
Subject: Welding Fumes

I will be monitoring welding fumes in our student welding bay and am looking for suggestions of anything to look for other than particulates, carbon monoxide and carbon dioxide.

Thanks for any suggestions∑
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