40 CFR § 62.15860 - What SSI units are exempt from the federal plan?

---
identifier: "/us/cfr/t40/s62.15860"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.15860 - What SSI units are exempt from the federal plan?"
title_number: 40
title_name: "Protection of Environment"
section_number: "62.15860"
section_name: "What SSI units are exempt from the federal plan?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "62"
part_name: "APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS"
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"
regulatory_source: "43 FR 51393, Nov. 3, 1978, unless otherwise noted."
cfr_part: "62"
---


# 62.15860 What SSI units are exempt from the federal plan?

This subpart exempts combustion units that incinerate sewage sludge and are not located at a wastewater treatment facility designed to treat domestic sewage sludge. These units may be subject to another subpart of this part (*e.g.,* subpart III of this part). If you own or operate such a combustion unit, you must notify the Administrator of an exemption claim under this section.