Using recovery equipment made after November 15, 1993, an appliance using CFC-12 and holding less than 200 pounds must be evacuated to:
Explanation
CFC-12 (R-12) is a medium-pressure refrigerant under 40 CFR §82.152, along with R-134a and R-500. §82.156 Table 1 sets medium-pressure appliances under 200 pounds at 10 inches Hg with post-1993 recovery equipment, and 200 pounds or more at 15 inches Hg. (a) 15 is the 200-pound-plus figure; (b) 0 is the level for high-pressure appliances such as R-22 or R-410A under 200 pounds; (c) 4 is a pre-1993-equipment figure.
Law Reference: 40 CFR §82.156This topic, taught in full in the EPA Section 608 Certification guide. EPA 608 Universal Study Guide (2026) — Core + Type I/II/III, with the 2027 A2L update — PDF + EPUB, $14.99 · 14-day refund →
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