40 CFR § 1090.1405 - National fuels survey program.

---
identifier: "/us/cfr/t40/s1090.1405"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 1090.1405 - National fuels survey program."
title_number: 40
title_name: "Protection of Environment"
section_number: "1090.1405"
section_name: "National fuels survey program."
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"
---


# 1090.1405 National fuels survey program.

(a) *Program participation.* (1) A gasoline manufacturer that elects to account for oxygenate added downstream under § 1090.710 must participate in the national fuels survey program (NFSP) specified in paragraph (b) of this section.

(2) A party required to participate in an E15 survey under § 1090.1420(a) must participate in the NFSP specified in paragraph (b) of this section or a survey program approved by EPA under § 1090.1420(b) or (c).

(3) Other parties may elect to participate in the NFSP for purposes of establishing an affirmative defense against violations of requirements and provisions under this part as specified in § 1090.1720.

(b) *Program requirements.* The NFSP must meet all the following requirements:

(1) The survey program must be planned and conducted by an independent surveyor that meets the independence requirements in § 1090.55 and the requirements specified in § 1090.1410.

(2) The survey program must be conducted by collecting samples representative of retail outlets in the United States as specified in § 1090.1415.

[85 FR 78469, Dec. 4, 2020, as amended at 90 FR 4364, Jan. 15, 2025]