StacksVerified U.S. regulatory reference

40 CFR §63.4090

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)For an existing affected source, you must limit organic HAP emissions to the atmosphere to no more than 0.13 kilogram per liter (kg/liter) (1.1 pound per gallon (lb/gal)) of coating solids used during each compliance period.
  2. (b)For a new or reconstructed affected source, you must limit organic HAP emissions to the atmosphere to no more than 0.022 kg/liter (0.18 lb/gal) of coating solids used during each compliance period.