James Allen, a leading researcher on the health effects of PCBs on primates, and ot Dr.

Lead Industries Association.

A study of the complaint summary leads to several additional conclusions: 1.

rnq== / *#5(V|fi SEp- J 1977 - WCHAfta fUiff^Q /?

VC UNIVERSITY OF LOUISVILLE LOUISVILLE, KENTUCKY 40232 SCHOOL OF MEDICINE DEPARTMENT OF MEDICINE DIGESTIVE DISEASES AND NUTRITION SECTION July 30, 1979 HEALTH SCIENCES CENTER WALNUT & PRESTON STREETS CC^?

Strangely enough, it was the industry's search for an answer to the cause of acroosteolysis that eventually lead to the discovery of the carcinogenic risk of vinyl chloride.

--Moncanto Company announeod today it has ralooaod figures to tho United States Depart ment of oonuneroe showing tho company's VM. production end soles of polychlorinated u MMttloa to gsuorol ooursse leading to a 'Mendegree and ttocher eertlfication for msmtary school levN, oouroco la the J>h.psrehfliogy and sociology of tho Mu* vAiMrtaaa sulture ore required under tVMudeate alee must develop profleleney ^ ermeh In order to'uath In Spanish, to 1 uren negusge learning problems, and to '<umo itsu&n1 ---- Vh (hehelp ofteSliw Whooior, dlrsoMr ^Msstsiy sdssatlon at fit.

Thereupon, the Secretary stated that since the January 7, 1970 meeting and the recessed portion thereof held on January 9, 1970, the Executive Committee had occasion to examine closely into the matters of the proxy material, the Agreement of Consolidation, and all other .natters leading to the sub mission of a proposed Proxy Sta at and Notice of Annual Meeting to the Security?

Strangely enough, it was the industry's 'se&rch for an answer to the cause of acroosteolysis that eventually lead to the discovery of the carcinogenic risk of vinyl chloride.

Also, we believe the use of double mechanical seals in this service, where solid PVC particles are frequently carried into the Nash pumps, will lead to an increase, rather than a decrease, in periodic maintenance to the seals.

To estimate the diffusion coefficient of a compound in air, Shen gives an equation 3; D* = D(M/M'),/2 tic; This leads here to Dcpd= Dajr/MWajr/vrMWCpCj =0.1849 (/28.8)/('/MW) or: D = D " 1//MW a cpd D=.

Failure to consider this concept leads to unrealistic estimates of risk.

Poland A. and E, Clover. 1973.

This, in turn, leads to the second point--the use of vinyl chloride end-products by many other indus tries.

To state that this leads to confusion is putting the case quite mildly. 1 would like to take the time to recite three stories about the Impact of regulatory activities on operations.