40 CFR § 1090.1235 - Recordkeeping requirements for ethanol denaturant.

---
identifier: "/us/cfr/t40/s1090.1235"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1090.1235 - Recordkeeping requirements for ethanol denaturant."
title_number: 40
title_name: "Protection of Environment"
section_number: "1090.1235"
section_name: "Recordkeeping requirements for ethanol denaturant."
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"
---


# 1090.1235 Recordkeeping requirements for ethanol denaturant.

(a) *Certified ethanol denaturant producers.* In addition to the requirements in § 1090.1205, a certified ethanol denaturant producer must keep records of the following information for each batch of certified ethanol denaturant:

(1) The batch volume.

(2) The batch number.

(3) The date the batch was produced or imported.

(4) The PTD for the batch.

(5) The sulfur content of the batch.

(b) *Parties that take custody of ethanol denaturants.* All parties that take custody of denaturant designated as suitable for use in the production of DFE under § 1090.270(b) must keep records of the following information:

(1) The PTD for each batch of denaturant.

(2) The volume percent at which the denaturant was added to ethanol, as applicable.