Occupational Health And Safety Flashcards

Under OSHA's Hazard Communication Standard (HazCom 2012), how many sections must a Safety Data Sheet contain?

Answer: 16 sections

GHS-aligned SDSs must contain exactly 16 sections covering hazard identification, composition, first aid, firefighting, handling, and more.

Which OSHA standard specifically governs employee exposure to bloodborne pathogens in the workplace?

Answer: 29 CFR 1910.1030

29 CFR 1910.1030 is OSHA's Bloodborne Pathogens Standard, requiring exposure control plans, PPE, and hepatitis B vaccination offers.

A worker is exposed to a chemical at 200 ppm for 4 hours and 100 ppm for 4 hours. Using TWA calculation, what is the 8-hour TWA?

Answer: 150 ppm

TWA = (200×4 + 100×4) / 8 = (800+400)/8 = 150 ppm.

Which type of air-purifying respirator is MOST appropriate for protection against organic vapors at concentrations below IDLH?

Answer: Half-face respirator with OV cartridges

A half-face air-purifying respirator with organic vapor (OV) cartridges is designed specifically to adsorb organic vapor contaminants below IDLH levels.

Under OSHA's Process Safety Management (PSM) standard, what is the threshold quantity for flammable liquids and gases that triggers coverage?

Answer: 10,000 lbs

29 CFR 1910.119 sets the threshold quantity for flammable liquids and gases at 10,000 lbs for PSM applicability.

What does the term 'permissible exposure limit' (PEL) represent under OSHA regulations?

Answer: The legally enforceable maximum airborne concentration for an 8-hour workday

PELs are legally enforceable OSHA standards specifying the maximum allowable airborne chemical concentration during an 8-hour workday.

Which medical surveillance requirement applies to workers regularly exposed to inorganic lead above the action level?

Answer: Blood lead level (BLL) monitoring and biological exposure index testing

OSHA's lead standard (29 CFR 1910.1025) requires blood lead level monitoring and medical removal protection when BLLs exceed trigger thresholds.