StacksVerified U.S. regulatory reference

40 CFR §80.9

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Test results and calculated values reported to EPA under this part must be rounded according to 40 CFR 1090.50(a) through (d).
  2. (b)Calculated values under this part may only be rounded when reported to EPA.
  3. (c)Reported values under this part must be submitted using forms and procedures specified by EPA.