Document Y9e2LJDb8q0LZDGRMRwwrrD3k

* HEDMAN MINES LIMITED P.O. B O X 590 TIMMINS, ONTARIO. CANADA P4N 7E7 December 12, 1973 The Hearing Clerk Food and Drug Administration Room 6 - 8 6 5600 Fishers Lane ROCKVILLE, M. 20852, U.S.A. Dear Sir: With reference to the Proposed Rules, Asbestos Particles in Food and 21 CFR Part 133 (Talc Containing Asbestos) and Part 121*2006 , we respectfully submit, in quintuplicate, a memorandum with supporting background information* It petitions that section C2 of Part 121*2006, dealing with the maximum permissable limit of amphibole and chrysotile asbestos fibre per milligram-slide be reviewed, reconsidered, and possibly changed to reflect the distinct difference in the comparative hazards between amphibole and chrysotile fibres, and to increase the protection of the public exposed to the more dangerous amphibole fibres. lours very truly, HEDMAN MINES LIMITED end. Stuart Charbula Executive Assistant to the President REGISTERED SPECIAL DELIVERY AIRMAIL 75P^o<i2(^i (Lf7