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EPA 608 Type III study materials
EPA 608 Type III study resources

EPA 608 Type III: Regulatory Requirements Under Section 608 and 40 CFR Part 82, Subpart F

EPA 608 Type III · Work through your exam, one topic at a time.

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Regulatory Requirements Under Section 608 and 40 CFR Part 82, Subpart F

Regulatory questions test the structure of Section 608 and 40 CFR Part 82, Subpart F: who may work on low-pressure appliances, what is prohibited, what equipment must be certified, and what records must exist. Type III is the low-pressure certification; Type II covers high-pressure equipment.

Core rules

  • Section 608 of the Clean Air Act prohibits knowingly venting ozone-depleting refrigerants during service, maintenance, repair, and disposal. The de minimis exception is narrow and does not authorize routine venting.
  • Technicians must be certified. Type III covers low-pressure appliances; Universal certification covers Types I, II, and III. A Type II-only technician may not service a low-pressure chiller.
  • Recovery and recycling equipment must be certified by an EPA-approved testing organization. Reclaimers must be EPA-certified. Refrigerant sold for use as a refrigerant is restricted to certified technicians.
  • Owners/operators of appliances containing 50 lb or more must keep service, leak repair, and refrigerant addition records for at least three years. The records must be accurate; falsifying them is a separate violation.
  • Low-pressure appliances have specific requirements: evacuation to 25 mm Hg absolute, leak repair thresholds, purge-unit maintenance, and proper disposal recovery.
  • EPA enforcement can impose civil penalties for venting, failure to repair, failure to certify, and recordkeeping violations. State or local rules may add requirements.

Worked example

A technician holds only Type II certification and is asked to recover R-123 from a chiller before a compressor replacement. Is that allowed? No. Type II covers high-pressure appliances; R-123 is a low-pressure refrigerant, so the technician needs Type III or Universal certification. The recovery machine must also be certified for low-pressure refrigerant, and the recovery must reach 25 mm Hg absolute before the system is opened.

Traps that cost marks

  • Assuming Type II certification covers chillers.
  • Treating certification as optional for “minor” service.
  • Using uncertified recovery equipment.
  • Forgetting the three-year record retention rule.
  • Relying on a broad “de minimis” excuse for routine venting.
  • Confusing EPA certification with a state contractor license.