Document MGdNLONQJp8j6NZaba1GRJn7
CC: ar re u . f . Higr.i
R. L. Barnh R. W. Hof fm J. M. Kavser 570 File 20.19
August 19, 1976
TO: STAFF AREA TECHNICAL
FRCM: C. S. HORNBERGER
e/-
UPDATE - CARCINOGEN LIST
The attach' i is an "Official" Du Pont list of carcinogens. This'-list will appear quarterly.
Those likelv to be present on the plant are checked. Continued vigilance rsf needed to be aware of these since some appear in various forms. The extensive list of synonvm.s is maintained in the Industrial Hygiene file.
The notes below indicate probable locations.
Asbestos - insulation"3nd Transite insulation and building material - a problem when repaired. Respirators required for all work with these materials.
N-N'itrosodimethylamine - highly unlikely to be present in any signmcant amount. Subject to current analytical program.
Dioxane Carbon 'tetrachloride Chloroform
- common laboratory chemicals. Some of _which may_still be found in laboratories.
To be handled only in a hood using Neoprene gloves.
1,4-Dichloro-2 - Butene
CDCB)
- production material currently limited to air concentration of 0.5 ppm with no skin contact permitted.
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