Printreg Archive
Re: Shop Towel Retention Factors


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From: Tom Blewett (BLEWETT@epd.engr.wisc.edu)
Date: Sun Sep 07 1997 - 16:01:38 CDT


Deb Kramer and colleagues,

You may already have the Wisconsin retention factor, but I did not
see it. The following summary was put together with Mike Sloat from
Wisconsin DNR:

A 50% retention factor is allowed if the following are met:
1. the vapor pressure of the the cleaning solvent is <10mm Hg or the
solvent contains less than 30% VOC by weight,
2. shop towels are handled properly, laundered, incinerated or
disposed following all appropriate regulations,
3. soiled towels are kept in closed containers on site and during
transport.

A 40% retention factor is allowed is the follwing are met:
1. the vapor pressure of the cleaning solvent is >10 but <25mm Hg or
the cleaning solvent contains more than 30% VOC by weight.
2. (same as above for 50% factor)
3. (same as above for 50% factor)

Zero retention factor is allowed if the above criteria are not met.

Tom Blewett
UW-Extension Solid & Hazardous Waste Education Ctr.
533 Lowell Hall
610 Landgon St.
Madison, WI 53703
(608) 262-0936


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