---
kind: "section"
citation: "40 C.F.R. § 63.11416"
title: "40"
number: "63.11416"
heading: "What are the standards for new and existing sources?"
url: "https://uscodex.org/cfr/40/63.11416"
---

# §63.11416. What are the standards for new and existing sources?

- (a) If you own or operate a slabstock flexible polyurethane foam production affected source, you must meet the requirements in [paragraph (b)](#b) of this section. If you own or operate a molded foam affected source, you must meet the requirements in [paragraph (c)](#c) of this section. If you own or operate a rebond foam affected source, you must meet the requirements in [paragraph (d)](#d) of this section. If you own or operate a flexible polyurethane foam fabrication affected source, you must meet the requirements in [paragraph (e)](#e) of this section.
- (b) If you own or operate a new or existing slabstock polyurethane foam production affected source, you must not use any material containing methylene chloride for any purpose in any slabstock flexible foam production process.
- (c) If you own or operate a new or existing molded foam affected source, you must comply with the requirements in paragraphs [(c)(1)](#c-1) and [(2)](#c-2) of this section.
  - (1) You must not use a material containing methylene chloride as an equipment cleaner to flush the mixhead or use a material containing methylene chloride elsewhere as an equipment cleaner in a molded flexible polyurethane foam process.
  - (2) You must not use a mold release agent containing methylene chloride in a molded flexible polyurethane foam process.
- (d) If you own or operate a new or existing rebond foam affected source, you must comply with the requirements in paragraphs [(d)(1)](#d-1) and [(2)](#d-2) of this section.
  - (1) You must not use a material containing methylene chloride as an equipment cleaner in a rebond foam process.
  - (2) You must not use a mold release agent containing methylene chloride in a rebond foam process.
- (e) If you own or operate a new or existing flexible polyurethane foam fabrication affected source, you must not use any adhesive containing methylene chloride in a flexible polyurethane foam fabrication process.
- (f) You may demonstrate compliance with the requirements in [paragraphs (b) through (e)](#b..e) of this section using adhesive usage records, Material Safety Data Sheets, and engineering calculations.

## Notes

### Amendments

[72 FR 38910, July 16, 2007, as amended at 73 FR 15928, Mar. 23, 2008; 86 FR 64407, Nov. 18, 2021]

### Source

Source: 72 FR 38910, July 16, 2007, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.

### Amendments

[72 FR 38910, July 16, 2007, as amended at 73 FR 15928, Mar. 23, 2008; 86 FR 64407, Nov. 18, 2021]