StacksVerified U.S. regulatory reference

40 CFR §1090.1835

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)An auditor must perform the procedures specified in this section instead of or in addition to the applicable procedures in § 1090.1810 for a certified pentane blender that blends certified pentane into PCG under § 1090.1320(b).
  2. (b)An auditor must apply the procedures in § 1090.1830 by substituting “pentane” for “butane” in all cases.