StacksVerified U.S. federal law reference

40 CFR Part 63, Table 1 — Emission Limits for Asphalt Processing (Refining) Operations

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
For * * *You must meet the following emission limits * * *
1. Blowing stillsa. Limit PAH emissions to 0.003 lb/ton of asphalt charged to the blowing stills;or
b. Limit PM emissions to 1.2 lb/ton of asphalt charged to the blowing stills.