Safety Flashcards
7 cards from real C33 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Safety flashcards as text
What is the maximum permissible exposure limit (PEL) for airborne lead dust set by Cal/OSHA for construction workers?
Answer: 50 micrograms per cubic meter (μg/m³) as an 8-hour TWA
Cal/OSHA sets the PEL for lead in construction at 50 μg/m³ as an 8-hour time-weighted average.
When spray painting in a confined space, which ventilation method is required to prevent solvent vapor buildup?
Answer: Forced-air mechanical ventilation providing at least 1 cfm per square foot of floor area
Confined space spray painting requires mechanical forced-air ventilation to dilute and exhaust flammable and toxic vapors below hazardous levels.
Under California regulations, a painting contractor must provide a written Injury and Illness Prevention Program (IIPP) that includes which key element?
Answer: Procedures for identifying and evaluating workplace hazards
Cal/OSHA Title 8 Section 3203 requires every employer's IIPP to include a system for identifying and evaluating workplace hazards.
Which class of fire extinguisher is specifically rated for fires involving flammable liquids such as paint thinner and mineral spirits?
Answer: Class B
Class B extinguishers are designed for flammable liquid fires, including paints, solvents, and thinners commonly used by painting contractors.
A painter is working at height on a scissor lift. At what minimum height above a lower level does California require fall protection on an elevated work platform?
Answer: Any height where the platform is elevated above the surrounding floor or ground
Aerial work platforms (scissor lifts) must have guardrails that protect workers at any elevated position per ANSI/SIA standards adopted by Cal/OSHA.
What does the Globally Harmonized System (GHS) label requirement mean for paint products stored on a job site?
Answer: All containers must display a pictogram, signal word, hazard statements, and precautionary statements
GHS (HazCom 2012) requires all hazardous chemical containers to carry standardized pictograms, signal words, hazard statements, and precautionary statements.
How often must a painting contractor conduct toolbox safety talks (tailgate meetings) on a California construction site?
Answer: At least once per week for crews of fewer than 20 workers
Cal/OSHA Title 8 Section 1509 requires weekly toolbox safety meetings for construction crews with fewer than 20 employees on site.