[labnetwork] Providing chemical gloves to users

Tue Nov 8 09:53:52 EST 2022

Hi Eric,

We use the same procedure as Dave highlighted below, including the use of
shared trionic gloves.  I will add that we ask our users to double glove
with our standard cleanroom nitrile gloves ahead of donning the chemical
gloves.  In addition, we have a taped off safety zone around the benches.
In order to avoid potential contamination of other surfaces in the lab, we
instruct users not to wear the gloves outside of that zone.

I should also note that we consider the procedure Dave described for
inflating the gloves (i.e. leak checking) prior to use to be very
important, as we have found that the trionic gloves do dry out and
ultimately crack in the cleanroom environment, especially with continued
exposure to DI water.  We therefore swap them out regularly.

Best Regards,

Matt

--

*Matthew T. Moneck, Ph.D*

Executive Director, Claire & John Bertucci Nanotechnology Laboratory

Electrical & Computer Engineering | Carnegie Mellon University

5000 Forbes Avenue, Pittsburgh, PA 15213-3890

Phone:  412-268-5430

ece.cmu.edu <http://www.ece.cmu.edu/>

nanofab.ece.cmu.edu <http://www.nanofab.ece.cmu.edu/>

*From:* labnetwork <labnetwork-bounces at mtl.mit.edu> *On Behalf Of
*Hollingshead,
Dave
*Sent:* Wednesday, November 2, 2022 1:51 PM
*To:* Nathanael Sieb <sieb at 4dlabs.ca>; labnetwork at mtl.mit.edu
*Subject:* Re: [labnetwork] Providing chemical gloves to users

Hi Eric,

We provide shared Trionic gloves for our heavy chemical PPE needs. They are
replaced as needed with an extra supply that is kept next to each wet
bench. We also make a particular point during our hood training that users
must leak check the shared gloves prior to each use by inflating with N2.
They are required to demonstrate this technique before we check them off on
the hood.

-Dave

*From:* labnetwork <labnetwork-bounces at mtl.mit.edu> *On Behalf Of *Nathanael
Sieb
*Sent:* Tuesday, November 1, 2022 19:24
*To:* labnetwork at mtl.mit.edu
*Subject:* Re: [labnetwork] Providing chemical gloves to users

Hi Eric, In our facility we have levels of PPE required.   Inside the Clean
Room standard cleanroom gloves are required at all times to prevent
particle contamination.   A second pair of gloves is required for any work
on the wet-benches or spin

Hi Eric,

In our facility we have levels of PPE required.  Inside the Clean Room
standard cleanroom gloves are required at all times to prevent particle
contamination.  A second pair of gloves is required for any work on the
wet-benches or spin coaters.  These gloves are single-use and can be
disposed of in the Clean Room solid chemical waste if they get
contaminated.  For HF, BOE, Nanostrip, acids, etc., a third pair of
elbow-length thicker nitrile gloves, an apron, and a face shield is
required.  These items are dedicated for the acid work and re-usable.  We
would replace them if they are damaged.

Outside the Clean Room we have similar protocols except we don't have the
initial layer to prevent particle contamination and we don't use
cleanroom-grade gloves.

I hope that helps a bit.

Thanks,
Nathanael

On 2022-11-01 9:07 a.m., Eric Johnston wrote:

Hi All

We are reassessing how we should be providing heavier chemical gloves for
our users, especially for use with HF. I am curious about how everyone else
is handling these types of gloves. For example:

- Is each user responsible for their own pair of gloves?

- Is there a common set of gloves that are replaced periodically?

- Are chemical gloves single use and then disposed of?

- Do you use one type of glove material for all processing?

I would be happy to summarize the responses for everyone.

Thanks

Eric

Eric Johnston

Director, Quattrone Nanofabrication Facility

Singh Center for Nanotechnology

University of Pennsylvania

3205 Walnut Street, #116

ericdj at seas.upenn.edu

T. 215.573.6695

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