StacksVerified U.S. regulatory reference

40 CFR §62.14410

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Yes, there are different emission limits for small rural, small, medium, and large HMIWI. To determine the size category of your HMIWI, consult the definitions in 40 CFR 62.14490.