40 CFR § 51.45 - Where should my state report the data?

---
identifier: "/us/cfr/t40/s51.45"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 51.45 - Where should my state report the data?"
title_number: 40
title_name: "Protection of Environment"
section_number: "51.45"
section_name: "Where should my state report the data?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "51"
part_name: "REQUIREMENTS FOR PREPARATION, ADOPTION, AND SUBMITTAL OF IMPLEMENTATION PLANS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "23 U.S.C. 101; 42 U.S.C. 7401-7671q."
regulatory_source: "36 FR 22398, Nov. 25, 1971, unless otherwise noted."
cfr_part: "51"
---


# 51.45 Where should my state report the data?

(a) Your state submits or reports data by providing it directly to EPA.

(b) The latest information on data reporting procedures is available at the following Internet address: *http://www.epa.gov/ttn/chief.* You may also call our Info CHIEF help desk at (919) 541-1000 or e-mail to *[email protected].*