Document wqRVwOVQJLN13oZzopZjwgz3J

December 27, 1978 M iss A lice G reife Department o f Health, Education & Welfare National Institute fo r Occupational Safety & Health , 944 Chestnut Ridge Road Morgantown, West Virginia 26505 . Dear Miss G reife: We would appreciate receiving copies o f the following NIOSH Methods concerning the examination o f talc. A . Method SD S No. 29.02 B . Method P and CAM 239 C . Method P and CAM 109 D . Method P and CAM 173 Thank you fo r your consideration. Very truly yours, W HITTAKER, CLARK)& DANIELS, IN C . RRK/dl Ray K . Krammes Manager - Technical Services C hicago 851 Executive Drive WSIowbrook, Illinois 60521 (312) 323-5775 & 5777 Branch Offices: D etro it 1800 Big Beaver Road Troy. Michigan 48084 (313)840-8620 86621 Ohio 2598 M errltM ew Lane Clnclnattl. Ohio 45231 < 5 1 3 )8 2 5 -3 4 2 4 IM P O R T E R S M A N U FA C TU R E R S EXPORTERS MINERALS. COLORS. PIGM ENTS Canada P .0 . Box 598 Station Q Toronto, Ontario. M 4T2N4, Canada < 4 1 6 )9 2 1 -3 5 4 8 ^ uJtTft? EXHIBIT WCD-154 WCD 001013