40 CFR § 62.14755a - What are the emission limitations for air curtain incinerators?

---
identifier: "/us/cfr/t40/s62.14755a"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.14755a - What are the emission limitations for air curtain incinerators?"
title_number: 40
title_name: "Protection of Environment"
section_number: "62.14755a"
section_name: "What are the emission limitations for air curtain incinerators?"
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"
---


# 62.14755a What are the emission limitations for air curtain incinerators?

After the date the initial test for opacity is required or completed (whichever is earlier), you must meet the limitations in paragraphs (a) and (b) of this section.

(a) Maintain opacity to less than or equal to 10 percent opacity (as determined by the average of three 1-hour blocks consisting of ten 6-minute average opacity values), except as described in paragraph (b) of this section.

(b) Maintain opacity to less than or equal to 35 percent opacity (as determined by the average of three 1-hour blocks consisting of ten 6-minute average opacity values) during the startup period that is within the first 30 minutes of operation.