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Previous by Date: Subject: Re: Decommissioning Fume Hoods/Traps Date: Tue, 23 Feb 2010 15:35:33 +0000 Author: wdwatt**At_Symbol_Here**COMCAST.NET |
Next by Date: Subject: CHAS Workshops Date: Tue, 23 Feb 2010 09:07:19 -0800 Author: NEAL LANGERMAN |
One thing that we found out the hard way, is that there was a buildup of su lfuric and phosphoric acid on parts of it. This was an older hood, not the greatest flow from a room with lots of heat, and we live in a cold climate , thus it would precipitate. Now we test every joint that we can reach and make sure the contractors have tyvek suits on when taking them apart. Dr. Gary L. Yarrow, Director Environmental Health & Safety Shepard Hall 059; Bldg 2202 South Dakota State University Brookings, SD 5700-7-0896 605-688-6332 > If you were requested to "evaluate laboratory fume hoods for the potentia l > of hazardous materials through wipe sampling", and you knew no > perchlorates were ever used, did you test for anything else? (What mater ials > actually CAN be analyzed this way? These are fume hoods that need a wipe - > down, but aren't showing signs of significant contamination) > > If you were requested to 'biologically and chemically decontaminate traps " > for chemistry labs, what did you/your outside contractors do? > > I want tomake sure these areas are safe for the workers, and will contrac t > out this work to a hazmat/hazwaste specialty vendor, but I want to know > what is reasonable to do...I have a fair idea of the history of most of t he labs > so if there is a 'flow chart' approach that would be very helpful. >
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