40 CFR § 52.1073 - Approval status.

---
identifier: "/us/cfr/t40/s52.1073"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 52.1073 - Approval status."
title_number: 40
title_name: "Protection of Environment"
section_number: "52.1073"
section_name: "Approval status."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "52"
part_name: "APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS"
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. 7401"
cfr_part: "52"
---


# 52.1073 Approval status.

(a) With the exceptions set forth in this subpart, the Administrator approves Maryland's plans for the attainment and maintenance of the national standards.

(b)-(g) [Reserved]

[38 FR 33716, Dec. 6, 1973, as amended at 45 FR 53475, Aug. 12, 1980; 47 FR 20128, May 11, 1982; 56 FR 23808, May 24, 1991; 58 FR 50848, Sept. 29, 1993; 61 FR 16061, Apr. 11, 1996; 63 FR 47179, Sept. 4, 1998; 70 FR 25718, 25724, May 13, 2005; 70 FR 69443, Nov. 16, 2005; 74 FR 24705, May 26, 2009; 75 FR 82556, Dec. 30, 2010; 77 FR 52605, Aug. 30, 2012; 78 FR 33984, June 6, 2013]