40 CFR § 63.2981 - Does this subpart apply to me?
---
identifier: "/us/cfr/t40/s63.2981"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 63.2981 - Does this subpart apply to me?"
title_number: 40
title_name: "Protection of Environment"
section_number: "63.2981"
section_name: "Does this subpart apply to me?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "63"
part_name: "NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES"
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"
regulatory_source: "57 FR 61992, Dec. 29, 1992, unless otherwise noted."
cfr_part: "63"
---
# 63.2981 Does this subpart apply to me?
You must comply with this subpart if you meet the criteria in paragraphs (a) and (b) of this section:
(a) You own or operate a drying and curing oven at a wet-formed fiberglass mat production facility.
(b) Your drying and curing oven or the facility at which your drying and curing oven is located is a major source of hazardous air pollutants (HAP). A major source is any stationary source or group of stationary sources located within a contiguous area and under common control that emits or can potentially emit, considering controls, in the aggregate, 9.07 megagrams (10 tons) or more per year of a single HAP or 22.68 megagrams (25 tons) or more per year of any combination of HAP.