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/ NORTH AMERICAN ASBESTOS CORPORATION 150 NORTH WACXER DRIVE.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Office of Air Quality Planning and Standards Research Triangle Park, North Carolina 27711.

Title 40 - Protection of Environment DRAFT DO NOT QUOTE OR CITL CHAPTER I - ENVIRONMENTAL PROTECTION AGENCY V< . ' 1976 SUBCHAPTER C - AIR PROGRAMS PART 61 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS STANDARD FOR VINYL CHLORIDE On December 24, 1975, under section 112 of the Clean Air Act, as amended (42 U.S.C. 1857), the Environmental Protection Agency (EPA) added vinyl chloride to the list of hazardous air pollutants (40 FR 59477) and proposed a national emission standard for it (40 FR 59532).

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1 BENEFITS OF UPDATING INTER-INDUSTRY STUDY OF VINYL CHLORIDE WORKERS Product Stewardship - Demonstrates to workers, community residents, customers, and other audiences our collective commitment to characterize cancer risks associated with employment in VCM/PVC processes.

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MANUFACTURING CHEMISTS ASSOCIATION 1825 CONNECTICUT AVENUE, N.W.

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UC 149-2 INTERNAL CORRESP NDENCE ------------ ----------------------- ------------------ --------------------------------- CHEMICALS AND PLASTICS cisouth To (Name) Division Location Copy to Mr.