Under Cal/OSHA's lead in construction standard, the action level that triggers employee exposure monitoring and training is:
a.30 micrograms per cubic meter of air (8-hour TWA)
b.50 micrograms per cubic meter of air (8-hour TWA)
c.100 micrograms per cubic meter of air (8-hour TWA)
d.500 micrograms per cubic meter of air (8-hour TWA)
Explanation
Section 1532.1 sets the action level for airborne lead at 30 micrograms per cubic meter (8-hour time-weighted average). The permissible exposure limit (PEL) is 50 micrograms per cubic meter.
Law Reference: 8 CCR §1532.1This topic, taught in full in the CSLB Law & Business guide. CSLB Law & Business — Complete Study Guide (2026) — PDF + EPUB, $24.99 · 14-day refund →
Practice all 1632 questions free — no signup required.
Own the complete CSLB Law & Business guide — PDF + EPUB, $24.99 →
Related questions on this topic
- Which of the following is NOT one of the required elements of a written Injury and Illness Prevention Program (IIPP)?
- A serious injury or death of an employee on a jobsite must be reported to Cal/OSHA within what time frame?
- A recordable work-related injury must be entered on the Cal/OSHA 300 log within how many calendar days of learning that the case occurred?
- Under Cal/OSHA's construction asbestos standard, which type of asbestos work involves the removal of thermal system insulation or surfacing asbestos-containing material?
- Under Cal/OSHA's hierarchy of controls, which method should be considered FIRST when addressing a workplace hazard?
- Which classification of Cal/OSHA violation applies when an employer intentionally and knowingly commits a violation, or commits it with plain indifference to employee safety?
Last reviewed: · editorial process
PrepPass team · Verified against California CSLB Contractor License Law & Business Exam · How we review
Reviewed by Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — verify)