posed standards for monomer plants are a ceiling exposure of 25 | p.p.m. for 1974 and of 10 p.p.m. for What effect testimony at the hearing will have on OSHA's final permanent standard remains to be A lead-off witness for the Society late 1975.

Originally thought to be caused by hand reactor cleaning, cases in lead operators and other non-cleaners now proves that aUl is caused py repeated exposure to low concentrations or vcm (50 ppm;.

JLindan June- 25*. 1975 Page- 2 A hood.was- then placed over the- leading masthead cn lio, 17 poly and connected to the vent system.

For the production of this much desired material, wiich can be combined in so many different ways with plasticisers, fillers and pigments that it has become one of the leading products of the plastics age within the last twenty years,is apparently very much more dangerous than had been previously been assumed.

The conditions which lead to discharges can also be prevented in most cases by proper handling and transfer of vinyl chloride or materials containing vinyl chloride".

TR 12902 Translation from Der Spiegel No 50/1973 C' 'ied by MCA Ow.mary 30, 1974 MEDICINE Dangerous Plastic A new and deadly occupational disease has been discovered by Medical Specialists in Bonn: workers engaged in the production of FVC risk incurable diseases of the liver* Pipes and Venetian blinds, curtains and films and whole host of articles in common use are made from PVC, a hard, durable plastic which can be moulded into almost any product, German producers alone have distributed almo3t a million tonnes of polyvinyl chloride over the country in the last year* PVC has so far been responsible for the death of as yet unknown numbers of chemical workers* For the production of this much desired material, viich can f be combined in so many different ways with plasticisers, fillers and pigments i that it has become one of the leading products of the plastics age within the last twenty years, is apparently very much more dangerous than had been | previously been assumed.

Lead times on new rolling mills and related equipment are so extended that were expansion plans approved within say six months, it would then be two years before new production facilities would be on stream.

3 ^iiyn1lfy,t[^oS:<jxc0^,se^*,,^hlorldes and chlorine) can be evolved in < fires of this product. jgcMLjaaMRatsfcMJABSxacr.yiii^TinraKRaiWLgnCTaapijjiB<K;r-TOaBwi-TO DSW 267240 STLCOPCB4062653 .igyggi /Iroclor 1221 SECTION V HEALTH HAZARD DATA T SMOl D UMiT VALUE Mot Available "f*kjn 1 rr iNation In the form of chloracne, systematic intoxication leads to nausea, vomiting, loss or weignt, edema and abdominal pair!

Sinai School of Medicine in pressions of concern about the ap t ing vinyl chloride to its list of cancer- New York, the man whose research parently unhealthy working environ { causing agents, as Kentucky's occupa- helped prove that asbestos is a leading ment in vinyl chloride plants

Documentation covering the considerations leading to the adoption of this value may be obtained by request to the Chairman, TLV Committee, American Conference of Governmental Industrial Hygienists, P. 0.

`"`^fn^rrf^aVlcn In the form of chloracne, systematic intoxication | leads to nausea, vomiting, loss of weight, edema and abdominal paid tMEGESC 4SD MRST AID PROCEDURES Remove from e/oosure.

LfFId&Of Ovl*t KroSUItt * SiHn ir^untlon In the forn of cliloracne, systematic intoxication leads to nausea, vomiting, loss of weight, edema and abdominal pa-La.

Fiber products You will note from the enclosed report that the determin ation by air sampling and microscopic evaluation revealed that there was no asbestos fiber of respirable size in the work environment of the ve buildings studied Please note that it is stated in the summary of - the report that there was no exposure of dust in general that would lead to ~~ lung involvement on the part of employees or the general public using ~ the structures tested The studies determined that there was greater exposure to dust of any nature outdoors than in the areas of the occu- .

Heavy exposure to asbestos may lead to a related death rate of approximately 46%.

Caller February 21, 1974 Page 3 i If practical technology remains unavailable, the low effluent standard proposed cannot be met, Ihis could lead to forced termina tion of the manufacture and use of polychlori nated biphenyls.