Reference Source

Dry chemical extinguishers having non-refillable disposable containers · Internal examination · OSHA 29 CFR 1910.157

For Dry chemical extinguishers having non-refillable disposable containers · Internal examination · OSHA 29 CFR 1910.157, extinguishing agent / type is Dry chemical extinguishers having non-refillable disposable containers; service obligation is Internal examination; interval is exempt from this requirement; authority is OSHA 29 CFR 1910.157, recorded from its source on 2026-08-19.

Extinguishing agent / type
Dry chemical extinguishers having non-refillable disposable containers verified
Service obligation
Internal examination our reading
Interval
exempt from this requirement verified
Authority
OSHA 29 CFR 1910.157 our reading
Sourceecfr.gov
Verified
Review by
DatasetFire extinguisher inspection, maintenance and hydrostatic test intervals by agent type

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

The employer shall assure that stored pressure dry chemical extinguishers that require a 12-year hydrostatic test are emptied and subjected to applicable maintenance procedures every 6 years. Dry chemical extinguishers having non-refillable disposable containers are exempt from this requirement. When recharging or hydrostatic testing is performed, the 6-year requirement begins from that date.

ecfr.gov, retrieved 2026-08-19

Source

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