Document 101XRbrk08B4ZvoqjEKNEZkdj

PUSTRIAL RELATIONS BULLETIN UlllUH TIKI 7/18/75 Industrial Hygiene "ft' C*' Asbestos - OSIIA 1910.93(a) ftdtONSHkC 0CM Enif-'l < ye HealLh ount>i\ New ---------ULlCf'N NO. 4 loi'io--......... .... j I Effective July 7, 1972, the Occupational Safety and Health Administrate on <u the Department ol' Labor promulgated regulations addressing employe expos .re i.(, asbestos. "Asbestos" as defined in the standard includes chrysotile, amosj'e, crocidolite, tremolite, anthophyllite, and actinolite. The standard applies to operations where asbestos or asbestos-containing materials such as Put no necessarily limited to asbestos cement, mortar, coatin,", grout, plaster or similar materials are handled, mixed, applied, removed, cut, scoreu or otl.e rvrlrie worked. Exposure limits applying to asbestos fibers longer than 5 irdcrot.s ure us ii. t j. a. Efiective 7/7/72 ~ An 8-hour time-weighted average (m) not to exr 5 fibers per cubic centimeter of air. b. Effective 7/l/70 - An 8-hour WA not to exceed 2 fibers per '-ubic centimeter of air. o. A "Ceiling Concentration" of 10 fibers, above which no empl ye slia be exposed at any time. Monitor hip; requirements are such that in areas where asbestos ric-irs are released C determination shall be wade as to whether every employe's exposure to unbent... libera is below the limits addressed above Such sampling; shall be done at inter vals of no greater than 6 months in cases vrhere employe exposure to asbe^t. "gg'd. reasonably be foreseen to exceed the 1ird ts prescribed. ..1 ' Controls and requirements for those operations in which employes are expose l.< concentrations in excess of the exposure limits include: a. personal protective equipment b. local exhaust ventilation e. neoific work practices J . "u. u:e rooms e. f..nls and placards i . ..pt.'cific cleaning and waste disposal techniques g. employe notification h. medical examinations i. recordkeeping Copies of complete standard are available J'rom; Superintendent of Documents U.S. Government. Printing Office Washington, D.C. 204G2 Further information regarding this standard :uy be obtained fr.jm Industrial Hygiene, 322-0210. PQ8004 0891