40 CFR § 1090.125 - Certified butane producers.

---
identifier: "/us/cfr/t40/s1090.125"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1090.125 - Certified butane producers."
title_number: 40
title_name: "Protection of Environment"
section_number: "1090.125"
section_name: "Certified butane producers."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "U"
subchapter_name: "AIR POLLUTION CONTROLS"
part_number: "1090"
part_name: "REGULATION OF FUELS, FUEL ADDITIVES, AND REGULATED BLENDSTOCKS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7414, 7521, 7522-7525, 7541, 7542, 7543, 7545, 7547, 7550, and 7601."
regulatory_source: "85 FR 78469, Dec. 4, 2020, unless otherwise noted."
cfr_part: "1090"
---


# 1090.125 Certified butane producers.

A certified butane producer must comply with the requirements of this section.

(a) *Gasoline standards.* A certified butane producer must comply with the applicable requirements of subpart C of this part.

(b) *Certification and designation.* A certified butane producer must certify and designate the certified butane they produce under subpart K of this part.

(c) *PTDs.* On each occasion when a certified butane producer transfers custody of or title to any certified butane, the transferor must provide to the transferee PTDs under subpart L of this part.

(d) *Sampling, testing, and retention requirements.* A certified butane producer must conduct sampling, testing, and sample retention in accordance with subpart N of this part.