.-.CHjMgC 1 --CHsCaHa a 0----------------------------- ' -OH However, the reaction of a Grignard reagent with cycio hexene oxide more often leads to ring contraction.

Other workers with exposure potential in excess of 1.0 ppm TWA include the Me Lead Operator, P/T Still Operator, and loading personnel.

He suid the proposed program would not lead to "quick and easy reduction" of the amounts of PCBs already in the environment, but control of discharges would help arrest the rapid growth of the problem.

Swetonic had told him as follows: OSHA previously had emphasized safety - now the emphasis is on health - five industrial substances are under attack (asbestos, silica, lead, cotton dust and carbon monoxide).

His findings were reported publicly at the Tenth International Cancer Congress in Houston in 1970 and were published in a leading medical journal in 1971.

MSA Cartridge 459315 MSA Cartridge 459315 Willson R-25 X102, Lead Acetate absorbents Welsh 7500-1 63 Welsh 7500-1 64 65 66 67 68 69 70 Welsh 7500-1 Welsh 7500-1 Various carbon filters containing mixtures of carbon and ocher adaorbants; #6?

A large number of compounds contain double bonds which may lead to free radical formation.

The Department of Labor has scheduled a hearing for Feb. 15 in Washington to hear testimony that could lead to a toughening of the federal standard.

You will also find attached, a recap of each of the EPA vinyl chloride recoMandatlona Identified in the task force report, with the lead office dearly Identified In the column next to it. v Should have further questions, please contact Dr.

Hearing Clerk ' Department of Health, Education and Welfare Room 6-88 5600 Fishers Lane Rockville, Maryland 28052 2nd DRAFT WBP/PSP/bt 7/10/72 Re: Department of Health, Education and Welfare Food and Drug Administration 21 CFR Parts, 3; 121; 122; 128 Polychlorinated Biphenyls, Notice of Proposed Rule Making Federal Register, Vol. 37 No. 54, pp. 5705-5707 Saturday, March 18, 1972 Monsanto Company has been a manufacturer of various chemicals and other products since 1901.

A leading incineration service is developing equipment that will shred a PCB capacitor and then incinerate the liquid in one operation.

He' stated the objective of the .task,force should be to de velop kpd. collate data that would ..lead to presentacin !

He has been described internally as 3M's leading exoert in the area of plastici zation and his group holds the key to some 2-3 . million pounds of polymeric plasticizer business for electrical tape applications.

Selikoff figured prom-) inently in research leading 1 : Occupational- Safety and* Health Administration.- 5 . - > 1 If The investigations began to the identification of the 14. .The conference will In chemicals.

PCBs, pesticides and lead dust.