[labnetwork] Cleanroom recovery after smoke in intake

[Jim Fraser]

Sorry to hear that. As Richard says: "They wipe down the walls floor and every surface and the chases." Many fabs do a wipe down like that annually. Usually using cleanroom wipes and a solution of 10 to 30% Isopropyl Alcohol in DI water.

James R Fraser
IML Manager
485 CB
Brigham Young University
801-422-4344

From: labnetwork-bounces at mtl.mit.edu [mailto:labnetwork-bounces at mtl.mit.edu] On Behalf Of DeVito, Richard
Sent: Wednesday, June 6, 2018 9:42 AM
To: Leslie George <leslie.george at ku.ac.ae>; labnetwork at mtl.mit.edu
Subject: Re: [labnetwork] Cleanroom recovery after smoke in intake

Wow that's too bad..

Definitely do a particle count check in the whole facility...that may also  give some insight into the health of the HEPA units

We use a third party that deep cleans our clean room once a year..its very intense.
They wipe down the walls floor and every surface and the chases. Usually takes the entire weekend!
We do a particle count afterward and compare to pre particle checks

I would definitely have a HVAC / PE look at repositioning the air intake unit..


Rich DeVito
Principle Member Technical Staff
Group Leader Microfabrication Lab
Draper
555 Technology Square,
Cambridge, MA 02139
Phone:  617-258-3819
www.draper.com<http://www.draper.com/>



From: labnetwork-bounces at mtl.mit.edu<mailto:labnetwork-bounces at mtl.mit.edu> [mailto:labnetwork-bounces at mtl.mit.edu] On Behalf Of Leslie George
Sent: Wednesday, June 06, 2018 3:55 AM
To: labnetwork at mtl.mit.edu<mailto:labnetwork at mtl.mit.edu>
Subject: [labnetwork] Cleanroom recovery after smoke in intake

Dear colleagues,

A fire broke out on Monday at one of the retail locations on our campus. The smoke from the fire got into the air intake for our cleanroom, and we can smell smoke throughout the Facility. I'd like to draw on the collective wisdom of the group to help answer the following:


1.     Recommend recovery method for the air handling system? (both upstream of the AHU) and downstream including the HEPA's.

2.     Recommended cleaning scheme for the interior of the facility?

I appreciate everyone's assistance.

Kind regards,

Leslie George, BSc, MSc
Micro & Nano Fabrication Instructor,
Research Laboratories
Khalifa University - Masdar City Campus
Opposite Presidential Flight Airport
Masdar City, SAF 1A (Undercroft)
Khalifa City A,
United Arab Emirates
P O Box 127788, Abu Dhabi, UAE
T +971 2 810 9227
Fax +971 2 810 9901
M +971 50 84 9720
leslie.george at ku.ac.ae<mailto:leslie.george at ku.ac.ae>
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ku.ac.ae
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