Kelsey,
Look at Brookhaven's procedure. Also, Chemical Health and Safety (before JCHAS and now ACS-CHAS) had a good article on perchlorate hood demolition back in 2000.
Harry
From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Kelsey Mesa
Sent: Monday, March 7, 2022 13:49
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: [DCHAS-L] Ventilation Contaminated with Perchlorates
Hello! Have an interesting conundrum. Does anyone have experience with large-scale perchlorate decon? Mostly interested in if there are any thresholds out there and what was recommended. I'll include some details below about our situation. We have issues with access to spots in the ventilation where perchlorates are more likely to settle for testing. This is likely my biggest concern and question to answer.
Hopefully that provides some context. Would be happy to discuss more with anyone or if you have a good contact please share. We've talked to our other UC campuses but most were able to isolate an area of the ventilation for decon. We have been directed to a company called ACM and are beginning conversations with them about testing and potential decon.
Thank you!
Kelsey
Chemical Hygiene Officer
EH&S Lab Safety Specialist
Office of Environment, Health & Safety
University of California, Berkeley
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