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Questions updated at Jul 10, 2026, 12:01 AM CDT
EPA Section 608 Universal Technician Certification
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EPA lists attaching and detaching hoses and gauges to measure appliance pressure as technician activity. Cosmetic or external work that does not violate the refrigerant circuit is not treated the same way.
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Get correct-answer explanations, distractor breakdowns, sources, and full-bank practice.
Get correct-answer explanations, distractor breakdowns, sources, and full-bank practice.
Get correct-answer explanations, distractor breakdowns, sources, and full-bank practice.
Get correct-answer explanations, distractor breakdowns, sources, and full-bank practice.
Get correct-answer explanations, distractor breakdowns, sources, and full-bank practice.
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Attaching gauges to measure pressure
EPA lists attaching and detaching hoses and gauges to measure appliance pressure as technician activity. Cosmetic or external work that does not violate the refrigerant circuit is not treated the same way.
Do not fill a recovery cylinder more than 80 percent full
Equipment size and hose dimensions
It can qualify as de minimis
Substitute refrigerants may require compatible lubricants rather than the oil used with the old refrigerant
Section 609 certification does not authorize purchasing refrigerant intended for stationary equipment
HFCs have zero ozone-depletion potential because they do not contain chlorine or bromine
Normal operation emissions are treated differently from releases during service, maintenance, repair, or disposal
Section 608 certified technicians
Tests match the equipment type
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