1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 63 - NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
  6. Subpart NNN - National Emission Standards for Hazardous Air Pollutants for Wool Fiberglass Manufacturing
  7. 40 CFR Table 2 to Subpart NNN of Part 63
40 CFR Table 2 to Subpart NNN of Part 63
Emissions Limits and Compliance Dates
June 9, 2020
CFR
Open Table
If your source is a: And you commenced construction: Your emission limits are:1 And you must comply by:2
1. Glass-melting furnace On or before March 31, 1997 0.5 lb PM per ton of glass pulled3 June 14, 2002.
2. Glass-melting furnace After March 31, 1997 but on or before November 25, 2011 0.5 lb PM per ton of glass pulled3 June 14, 1999.
3. Glass-melting furnace On or before November 25, 2011 0.33 lb PM per ton of glass pulled July 31, 2017.
4. Glass-melting furnace After November 25, 2011 0.33 lb PM per ton of glass pulled July 29, 2015.4
5. Gas-fired glass-melting furnace On or before November 25, 2011 0.00025 lb chromium compounds per ton of glass pulled July 31, 2017.
6. Gas-fired glass-melting furnace After November 25, 2011 0.00025 lb chromium compounds per ton of glass pulled July 29, 2015.4
7. Rotary spin manufacturing line On or before March 31, 1997 1.2 lb formaldehyde per ton of glass pulled5 June 14, 2002.
8. Rotary spin manufacturing line After March 31, 1997 0.8 lb formaldehyde per ton of glass pulled5 June 14, 1999.
9. Rotary spin manufacturing line On or before November 25, 2011 1.2 lb formaldehyde per ton of glass pulled 1.1 lb methanol per ton of glass pulled December 26, 2020.
10. Rotary spin manufacturing line After November 25, 2011 0.8 lb formaldehyde per ton of glass pulled 0.65 lb methanol per ton of glass pulled December 26, 2017.4
11. Flame-attenuation line manufacturing a heavy-density product After March 31, 1997, but on or before November 25, 2011 7.8 lb formaldehyde per ton of glass pulled5 June 14, 1999.
12. Flame-attenuation line manufacturing a pipe product On or before March 31, 1997 6.8 lb formaldehyde per ton of glass pulled5 June 14, 2002.
13. Flame-attenuation line manufacturing a pipe product After March 31, 1997, but before November 25, 2011 6.8 lb formaldehyde per ton of glass pulled5 June 14, 1999.
14. Flame-attenuation line manufacturing an aerospace, air filtration, or pipe product On or before November 25, 2011 27 lb formaldehyde per ton of glass pulled 8.9 lb methanol per ton of glass pulled December 26, 2020.
15. Flame-attenuation line manufacturing an aerospace, air filtration, or pipe product After November 25, 2011 18.0 lb formaldehyde per ton of glass pulled 4.0 lb methanol per ton of glass pulled December 26, 2017.4
16. Flame-attenuation line manufacturing an HVAC product On or before November 25, 2011 2.8 lb formaldehyde per ton of glass pulled 7.3 lb methanol per ton of glass pulled 0.4 lb phenol per ton of glass pulled December 26, 2020.
17. Flame-attenuation line manufacturing an HVAC product After November 25, 2011 2.4 lb formaldehyde per ton of glass pulled 1.5 lb methanol per ton of glass pulled 0.4 lb phenol per ton of glass pulled December 26, 2017.4
18. Flame-attenuation line manufacturing an OEM product On or before November 25, 2011 5.0 lb formaldehyde per ton of glass pulled 5.7 lb methanol per ton of glass pulled 31 lb phenol per ton of glass pulled December 26, 2020.
19. Flame-attenuation line manufacturing an OEM product After November 25, 2011 2.9 lb formaldehyde per ton of glass pulled 1.1 lb methanol per ton of glass pulled 22 lb phenol per ton of glass pulled December 26, 2017.4

1The numeric limits do not apply during startup and shutdown.

2Existing sources must demonstrate compliance by the compliance dates specified in this table. New sources have 180 days after the applicable compliance date to demonstrate compliance.

3This limit does not apply after July 31, 2017.

4Or initial startup, whichever is later.

5This limit does not apply after December 26, 2020.

[80 FR 45338, July 29, 2015, as amended at 82 FR 60885, Dec. 26, 2017]

Previous
Table 1 to Subpart NNN of Part 63 Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart NNN
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Appendix C to Subpart NNN of Part 63 Method for the Determination of Product Density

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