VRD 0002829801 CHQACAL MANUFACTURES ASSOCIATION C C,1' Jy A December 2, 1993 Donald Whorton ENSR Health Sciences 1320 Harbor Bay Parkway Alameda, CA 94501 Dear Don: The Chemical Manufacturers Association contracted with the Environmental Health Associates in 1962, 1984, and 1967 to update an epidemiology study of vinyl chloride workers* The agreement numbers and their execution dates are as follows: VC 9.0-EPI-EHA VC 10.0 VC 11.0-EHA March 11, 1982 April 9, 1984 October 21, 1987 Subsequent to these agreements, EHA merged with ENSR Health Sciences.

TO: R.

Vista Chemical Company 900 Threodneedle Houston, Texas 77079-2990 (713) 588-3000 P.O.

Interoffice Communication TO: FROM: DATE: SUBJ: R.

TO: Distribution ERT: XF: O.its Y A^gf: RP Interoffice Communication FROM: DATE: T.

1 iecent developments m Sts ssfr@I f respirable dust @iseisirafii$ feUwfif lis If dirfi By Bharath K Belle, HR Phillips School of Mining Engineering, University of the Witwatersrand, SA Abstract A directive was issued in 1997 by the South African Department of Minerals and Energy (DME) to reduce the respirable dust concentration level to below 5 mg/m3 for the sampling period at the operator's cab posi tion on continuous mining machines used in coal mines.

INVESTIGATION OF LONGWALL FACE VENTILATION AIR-SPLITTING METHODS FOR IMPROVED DUST CONTROL J.

SILICA, CRYSTALLINE (Respirable Size)* First Listed in the Sixth Annual Report on Carcinogens as Reasonably Anticipated to be a Human Carcinogen -- changed to Known to be a Human Carcinogen in the Ninth Report on Carcinogens CARCINOGENICITY Respirable crystalline silica (RCS), primarily quartz dusts occuring in industrial and occupational settings, is known to be a human carcinogen, based on sufficient evidence of carcinogenicity from studies in humans indicating a causal relationship between exposure to RCS and increased lung cancer rates in workers exposed to crystalline silica dust (IARC 1997, Brown et al. 1997, Hnizdo et al. 1997).

A mmm vmyi W m Institute A Division of The Society of The Plastics Industry, Inc

Chemical Manufacturers Association November 1,1995 Dear Vinyl Chloride Transportation Committee Members: The following items are enclosed: 1. the November 9,1995 meeting agenda; 2. the November 1 Action Item Status Report.

CHEMICAL MANUFACTURERS ASSOCIATION TO: FROM: RE: PAGES: SENDER: PHONE: Vinyl Chloride Panel Transportation Committee FAX Gerry Jordan John Klimavicz Chris Markerson George Marshall Vergel Perry Frank Rowland Carol Toth Richard Wagner Robert Wronko June 26,1995 PPG Industries 318/491-4678 Georgia Gulf 504/389-2738 Vista Chemical 601/369-3630 OxyChem 512/776-6085 Dow Chemical 409/238-1857 Formosa 504/356-8619 Keller and Heckman 202/434-4646 Borden 614/225-4998 GEON 216/447-6121 Has Shah VC Transportation Committee Conference Call - Letter to Review A copy of a draft letter on the exemption from marking requirements of Section 172 is enclosed for discussion on our conference call tomorrow, June 27, at 3:00 p.m., EDT.

CM Chemical Manufacturers Association April 15,1996 Dockets Unit (DHM-30) Hazardous Materials Safety Research and Special Programs Administration U.S.

CHEMICAL MANUFACTURERS ASSOCIATION Record of Meeting of the Vinyl Chloride Panel DATE: November 5 , 1992 TIME: 8:30 - 3:00 PLACE: Georgetown 'Conference CMA Offices Washington, D.C.

VINYL CHLORIDE TRANSPORTATION COMMITTEE Actions Items September 19,1995 1.

CHEMICAL MANUFACTURERS ASSOCIATION TO: FROM: Vinyl Chloride Panel Health Committee Fax December 29, 1994 James Barter Ed Beeler Ron Gilbert Mark Gruenwald James Knaak Patrick Logue Kenneth Mundt Caffey Norman Dave Penney David Pun Jonathan Ramlow Carlo Tamburo .