ii n bfadck^h dfcldNSON UNIVERSITY RobImm - mmSsom )n o/94 OoJIlMIM hbruuy 27, 1979 Dennis B.

Increased awareness leads to fewer injuries. 4.

Despite the three months lead time .which the Secre tary provided, from October 1, 1974, to January 1, 1975, t it may be that some in the vinyl chloride industry will nevertheless be ur.able tc meet each prcvisicr. of the I standard by January 1, 1975.

Lassiter expressed a guarded judgment that the mouse data reported by IBT would not lead -OSHA to modify the emergency temporary standard, but that it might well cause OSHA to accelerate the rule-making process for the development of a permanent standard.

Models C and D may overpredict because they do not address either the enzymatic biotransformation of VC or repair of the lesion leading to development of angio sarcoma, both of which are likely to be dis tributed normally in human or animal populations.

is a leading scientist in industrial-role t-.d diseai This information was gathered after extensive research.

While presumably of high sen sitivity, tills technique inevitably leads to serious questions as to the significance of minor physiologic deviations, which must be resolved by studies of morbidity or mortality. see 5-0054 A second, approach is to measure the prevalence or incidence of diagnosable illness or morbidity, cither in a cross-sectional survey or by analysis of reported illnesses or absenteeisms over a period of time.

We hope this exchange will lead to a better understanding of what it is you propose to do regarding the National Emission Standard for Vinyl Chloride. we would be less than honest if we told you we were happy to be here^J Frankly, we thought all issues had been explored over the last two years regarding vinyl chloride, but apparently we were wrong.

One unit has been delivered and calibrated for use in 88 and 84 Bldgs. d) Two Monsanto gas chromatographs have been sent to Bendix Corporation for modification leading to two eight-point fixed sampling and analyzing systems for installation in 88 and 84 Bldgs.

Mate Is lan ' v tha lead on such a task un,il fullest extent possible bu c.nn^ t he ^ 12 mouths for FY 81.

Apparently ve will have adequate lead time.

New Scientist 13 June 1974 Science paused, and 17 died G75 At least 17 workers have been kilted by vinyl chloride because research over the past 25 years was not followed up.

Department of Labor Occupational Safety and Health Administration June 1975 OSHA 2225 V BOR 006997 tI Endangered Workers Most job health hazards--such as lead, mercury, and silica--have been recognized for decades or centuries.

Marsh would take the lead on this matter.

: Motals such as copper, brass, lead and cast iron can also catalyse - uocomposition