Guide helps employers understand medical monitoring requirements of silica standard
CPWR—The Center for Construction Research and Training has made available a guide to help employers understand
the medical monitoring requirements in the Occupational Safety and Health Administration's silica standard for the
construction industry (29 CFR §1926.1153 Respirable Crystalline Silica), as well as set up the program for their
As of Oct. 23, the provisions of OSHA's silica rule are fully enforced. The rule applies to all exposures in
construction except where worker exposure remains below 25 micrograms per cubic meter of air as an eight-hour
time-weighted average; the 25-microgram threshold is what OSHA defines as the action level. A more protective or
restrictive permissible exposure limit (PEL) of 50 micrograms per cubic meter of air as an eight-hour time-weighted
average has been established under the rule.
To view CPWR's guide for employers regarding medical monitoring,
NRCA also has developed tools for contractors to use to comply with provisions of OSHA's silica regulation. To view
NRCA's silica regulation resources, click here.