A VAB.0001190306 SAFETY - Continued Routine dosimetry results for the month were: Chemical >_________________________ NunAar VCM Lead Total Particulates 79 98.7 15 100.0 3 100.0 1 0 0 1.3 0.0 0.0 The single VCM overexposure was without benefit of respirator protection.

It is generally believed that the toxic effects of benzene result from the metabolism of benzene to electrophilic intermediates capable of interacting covalently mwthecariltincaaltumreacorfotmheoluelctiumleaste(4to-8x)ic.Aorltchaorucginhogtheeniecxsapcet- (3%remains unknown, several metabolic pathways proposed for benzene lead to the formation of reactive interw t e s .

The lead-off witnesses for OSHA included R.

miRoMEHTAL REVIEW-.

Furthermore, a change in administrations could quickly lead us in the oppo site direction.

False negative results can lead, in turn, to erroneous inferences about the safety of the workplace.

ToTM - Occupational Health & Safety Letter Volume 12, No. 20 GERSHON W.

Crystal growth of the sheet thus leads to a tubular structure that grows into a scroll with 12 to 20 layers (Fig. 3).

t /A A/C Pipe Executive* Committee*^ International Affairs Committee Internal Correspondence y.

Further, a high-molecular weight polyester tary agent (3) are antimony trioxide, antimony pentox- polyurethane composed of a low-molecular weight ide, antimony trisulfide, antimony trichloride, antimony polybutylene terephthalate having hydroxyl groups at pentachloride, antimony tribromide, antimony penta- the terminals (an intrinsic viscosity [tj]=0. 15 to 0.5 bromide, barium metaborate, lead borate, aluminum diciliter/gram) of which molecular weight is increased 5 hydroxide, zirconium oxide, molybdenum oxide and the by a polyfunctional isocyanate, such as aromatic, ali like.

I SPECIAL ~~79^S+Tl'LJ- , J 1^0i a o\-^ '"I^L _C /' T~ PROGRAMS NEWSLETTER CH6MICAL MANUFACTURERS ASSOCIATION Volume 3, No. 4 2501 M STREET.

These comments were submitted to OSHA in response to its April 21 announcement that it was reopening the rulemaking record to conduct a cost/benefit analysis and was requesting comments on the economic and technological feasibility of provisions of the lead standard (Current Report.

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exposures may lead to cirrhotic changes morphology of specific organelles in and the development of neoplasms.

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