---
kind: "section"
citation: "40 C.F.R. § 1090.1835"
title: "40"
number: "1090.1835"
heading: "Alternative procedures for certified pentane blenders."
url: "https://uscodex.org/cfr/40/1090.1835"
---

# §1090.1835. Alternative procedures for certified pentane blenders.

- (a) An auditor must perform the procedures specified in this section instead of or in addition to the applicable procedures in [§ 1090.1810](/cfr/40/1090.1810.md) for a certified pentane blender that blends certified pentane into PCG under [§ 1090.1320(b)](/cfr/40/1090.1320.md?p=b).
- (b) An auditor must apply the procedures in [§ 1090.1830](/cfr/40/1090.1830.md) by substituting “pentane” for “butane” in all cases.

## Notes

### Amendments

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4371, Jan. 15, 2025]

### Authority

Authority: 42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601.

### Source

Source: 85 FR 78469, Dec. 4, 2020, unless otherwise noted.

### Amendments

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4371, Jan. 15, 2025]