Further dropping of the latex level could lead to fisheye levels above the accepted limit.

734 THE LANCET, At'Ktt. 3, 1 `776 Occasional Survey genetic risks of vinyl chloride Peter F.

.

The follow ing five substances were designated to he the focus of initial and con certed efforts by OSHA and NIOSH: asbestos, cotton dust, silica. lead, and carbon monoxide

The recommendations of the subcommittee are to include methods of determining levels of exposure which would lead to socially acceptable risks from carcinogens.

Overall Approach EPA has announced that it intends in its March 23 hearing to solicit recommendations leading to possible development of a proposed generic cancer policy for airborne carcinogens.

Frederick de Serres of the niehs, a leading authority in the field, predicts good tests for chemicals within a year.

The air supply will be depleted at a considerably faster rate which could lead to a serious problem.

They will concentrate on asbestos, carbon monoxide, silica, lead, cotton dustthe five toxic substances.

,-V` u CANCEROGENIC EFFECT OF VINYL CHLORIDE P.

Uses -------------------------- )V> which lead to environmental contamination and &annot be controlled will be discontinued.

While the emergency standard of five fibers per milliliter is at present based upon exposure to fibrosis, we should nonetheless take into account the fact that exposures to even small quantities of asbestos fibers over a short period of time may lead to the development of mesothelioma in a certain percentage of the exposed workers.

07JL3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (GRASS SHRIMP) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

TECHNOLOGY Industry's latest cancer scare The deaths of five workers in ten years seem linl ed to working on the plattic Federal officials met last veek with plastics industry executives in Cleve land and Washington to try to deter mine whether the industry has un knowingly been exposing seme of its 6,500 blue-collar workers to fumes that can lead to a rare form of liver cancer known as angiosarcoma.

MINUTES VINYL CHLORIDE SAFETY ASSOCIATION MEETING Philadelphia, Pennsylvania April 17 and 18, 1974 DISTRIBUTION LIST A.