StacksVerified U.S. regulatory reference

40 CFR Part 60, Table 1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
For each. . .You must. . .
1. Vent streama. Reduce emissions of TOC (minus methane and ethane) by 98 weight-percent, or to a TOC (minus methane and ethane) concentration of 20 ppmv on a dry basis corrected to 3 percent oxygen by venting emissions through a closed vent system to any combination of non-flare control devices and/or recovery system and meet the requirements specified in § 60.613a and § 60.620a; or
b. Reduce emissions of TOC (minus methane and ethane) by venting emissions through a closed vent system to a flare and meet the requirements specified in § 60.619a and § 60.620a.