RETD JAN 1 8 1978 INTER-OFFICE CORRESPONDENCE Date: January 3, 1978 From: R- E.

INDUSTRIES [i To: H.

*1' CCHHEEMMIICCAALLSS L P -- dLa* INDUSTRIES /INTEROFFICE LAKE CHARLES TO Mr.

t Current Intelligence t Angiosarcoma of the Liver in Vinyl Chloride/Polyvinyl Chloride Workers In the December, 197-1, issue of the )OM (76 809) 26 cases of angiosarcoma of the liver were reported.

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% Page 1 of 5 March 12. 1974 DUST DETERMINATION OF TOTAL AND RESPIRABLE AIRBORNE DUST BY MEMBRANE FILTER SAMPLING AND GRAVIMETRIC ANALYSIS 1 PURPOSE This procedure has been written to conform to recommended methods of sampling for dusts as published by the National Institute of Occupational Saf ty and Health (1) and the American Industrial Hygiene Association. (2) 2 PRINCIPLE Total dust concentration is measured by drawing a known volume of air through a preweighed, 37-mm polyvinyl chloride membrane filter, sampling with the top cov r of the filter holder removed (open faced).

July 12, 1974 L.

VC - VDCM SAFETY MEETING OCTOBER 17, 1974 A.

rV'Y* CHEMICALS 0^ . ,1 RETD JUL 1 5 19/u INTEROFFICE/ LAKE CHARLES INDUSTRIES TO O.

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Monsanto / /" MONSANTO POLYMERS ft PETROCHEMICALS CO. 730 Worcester Street Indian Orchard, Mss sechu setts 01051 Phone: (413) 788-6911 January 2, 1975 Borden, Inc.

-Mas*.,. .. ' W.

DEC 91977 CHEMICALS INDUSTRIES TO from O.

CHEMICALS IN0U3TRILS TO FROM Winston Calliouet J.

CHEMICALS INDUSTRIES TO FROM D.