Personal Protective Equipment Ppe MEDIUM 40 CFR § 170.507 & 29 CFR § 1910.134

When must organic vapor respirator chemical cartridges be replaced by the applicator?

Multiple Choice Options

A At the first sign of chemical odor, taste, or irritation inside the mask, or according to the manufacturer's end-of-service-life indicator (ESLI) / change schedule. ✓ OFFICIAL VERIFIED CORRECT ANSWER
B Every 5 years regardless of hours used.
C Only when the strap breaks.
D When the outside plastic shell turns gray.
✓ LEGAL EXPLANATION & STATUTORY RATIONALE
40 CFR § 170.507 & 29 CFR § 1910.134
Official Manual Chapter: Chapter 6: PPE

Cartridges must be replaced immediately when breakthrough (odor, taste, irritation) occurs, when the ESLI signals saturation, or per established employer change-out schedules.

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