CSS CSS - Certified Safety Supervisor Personal Protective Equipment and Industrial Hygiene Questions and Answers 2

Question 1

What is the OSHA action level for occupational noise exposure under 29 CFR 1910.95?

Accepted Answer

85 dBA 8-hr TWA

Answer

The OSHA action level for noise is 85 dBA as an 8-hour TWA, which triggers audiometric testing and hearing conservation program requirements.

Question 2

Which air-purifying respirator cartridge color coding indicates protection against organic vapors per NIOSH/ANSI standards?

Accepted Answer

Black

Answer

Black cartridges denote organic vapor protection in the NIOSH/ANSI K13.1 color-coding system for respirator cartridges.

Question 3

The Hierarchy of Controls places PPE at which position?

Accepted Answer

Last (least effective)

Answer

PPE is the last line of defense in the Hierarchy of Controls because it does not eliminate the hazard but only protects the worker from exposure.

Question 4

A Safety Supervisor notices workers are frequently removing their respirators in a contaminated area because they are uncomfortable. What is the best corrective action?

Accepted Answer

Conduct fit testing and explore less restrictive respirator options

Answer

Fit testing ensures proper seal and comfort; switching to a better-fitting respirator type improves compliance while maintaining protection.

Question 5

Which industrial hygiene sampling method collects contaminant data over an entire work shift to calculate a TWA?

Accepted Answer

Passive dosimetry

Answer

Passive dosimeters (e.g., badge samplers) collect contaminants continuously throughout the work shift, enabling accurate TWA calculation.

(CSS) Certified Safety Supervisor Practice Test

(CSS) Certified Safety Supervisor Practice Test

CSS CSS - Certified Safety Supervisor Personal Protective Equipment and Industrial Hygiene Questions and Answers 2