40 CFR § 75.47 - Criteria for a class of affected units.

---
identifier: "/us/cfr/t40/s75.47"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 75.47 - Criteria for a class of affected units."
title_number: 40
title_name: "Protection of Environment"
section_number: "75.47"
section_name: "Criteria for a class of affected units."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "75"
part_name: "CONTINUOUS EMISSION MONITORING"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401-7671q and 7651k note."
regulatory_source: "58 FR 3701, Jan. 11, 1993, unless otherwise noted."
cfr_part: "75"
---


# 75.47 Criteria for a class of affected units.

(a) The owner or operator of an affected unit may represent a class of affected units for the purpose of applying to the Administrator for a class-approved alternative monitoring system.

(b) The owner or operator of an affected unit representing a class of affected units shall provide the following information:

(1) A description of the affected unit and how it appropriately represents the class of affected units;

(2) A description of the class of affected units, including data describing all of the affected units that will comprise the class.

[60 FR 40297, Aug. 8, 1995, as amended at 76 FR 17312, Mar. 28, 2011]