nr* 730549 Asbestos Emissions from Brake Dynamometer Tests A.

There is no information available to in dicate whether this mode of asbestos penetration can lead to subsequent malignant change in distant' organs and skin cancer has not been recorded as a complication of asbestos warts.

Wallingford National Institute for Occupational Safety and Health Center for Disease Control Public Health Service Department of Health, Education, and Welfare Cincinnati, Ohio 45202 Introduction <\ \ The study reported by Gillam et al.1 demonstrated a significantly increased risk of both malignant and nonmalignant respiratory disease among a cohort of miners at a hard rock gold mine in Lead, South Dakota.

OSHA COMPLIANCE During the reporting period, comments on the lead sampling plan were received and the plan was altered accordingly.

. :- :Tirsc, there is -no doubt that the inhalation o: , substantial amounts of asbestos can lead to increased races of various types of lung'disease* including two forms of cancer.

There is no information available to indicate whether this mode of asbestos penet~ation can lead to subsequent malignant change in distant organs and skin cancer has not been recorded as a complication of asbestos warts.

'B.F.GOODRICH CHEMICAL COMPANY February 12, 1975 W.

However, other assumptions consistent with these data could lead to a predicted risk an order of mag nitude higher than 1% following 50 years' exposure at 2 fibres/cm3.

PLAINTIFFS EXHIBIT |s QfcSfrAoo 1970 ANNUAL REPORT CONTENTS Name Change........ ..................................................................................................................... ii President's Message to Members................................................................................................. 1 Experimental Research............................................................................................. 3 Aluminum .............................................................................................................................. 3 Fibrous Dusts....................... 3 Asbestos ................................................................................................................................. 3 Fibrous Glass ......................................................................................................................... 4 Lipid-Coated Quartzf............ 4 Community Lung Study ................................................................................... 4 Mental Health Project............................................................... 4 IHF/ATMI Respiratory Study . . 4 Services for Members ................................................................................................................. 5 Engineering".................. v...................................................................................................... 5 Occupational Medicine.........................................................................................................

There is no information available to in dicate whether this mode of asbestos penetration can lead to subsequent malignant change in distant organs and skin cancer has not been recorded as a complication of asbestos warts.

However, it is conceivable that this program would lead expanded medical studies on angiosarcoma and other liver diseases, for which broader, additional, port from various sources would be sought, as necessary."

1970 ANNUAL REPORT oi 133 4 CONTENTS Name Change............

Stahl Modified Report 41481 BFG 14326 Z1483001 Abicrict This report presents a unnsry'bf the background lead Inf up eo our flrat snlaal c<nbuatlon-expoeure axperlnants, tha currant philosophy behind this kind of taaclng and currant Llaluelona with tha taatlng.

FROM GEORGE H.

This is done in a closed system, although leaks or breaks in the process may lead to transiently high exposure levels.