Document kmrXk85r96Yx0YNmEn0wKJD1n

CHEMICALS f INDUSTRIES TO J. A. Clapperton. jrFROM H. J. Hoenes, Jr. >A INTEROFFICE / LAKE CHARLES DATE SUBJECT Reference: October 28, 1974 Chlorinated Jfydrocarbons Monitoring tty- Memo 10/21/74 % memo of last week listed the coding system to be used to identify respiratory equipment on the weekly summary sheets to you. Subsequently, it was pointed out that personnel occasionally use their pocket respirators for which no provision was made in our original list. The code list has now been expanded to include this. (N) - No Respiratory Protection (c) - Custom Ccmfo Mask (A) - Airline Mask . (s) - Scott Air-Pak (R) - Pocket Respirator HJH:rw cc: Zeb Bell Lee. Grant, M.D. F. Dehn D. L. Duncan / H. B. Lovejoy, M.D. ^ T. Taylor R. lynch G. Work G. Bedehbaugh J. Lafleur C. P. LeBlanc M. Wood SL 084946