Wool Fiberglass Manufacturing - Major Sources

eCFR Subpart NNN [ecfr.gov]

This subpart applies to:

1. Affected sources at wool fiberglass manufacturing facilities that are, or are located at, Major Sources of HAPs*.

Affected sources:

1. Glass-melting furnaces;
2. Rotary spin wool fiberglass manufacturing lines that produce bonded wool fiberglass building insulation;
3. Flame attentuation wool fiberglass manufacturing lines that produce bonded pipe or heavy-density products.

*Major Sources of HAPs emit or have the potential to emit:

• ≥ 10 tons/year of any single HAP; or
• ≥ 25 tons/year of total HAPs.
• Area Sources emit less than Major Sources.

No

NSPS - 40 CFR Part 60

Subpart HHH - Synthetic Fiber Production
Subpart PPP - Wool Fiberglass Insulation

 

NESHAP - 40 CFR Part 63

Subpart NN - Wool Fiberglass Manufacturing - Area Sources
Subpart DDD - Mineral Wool Production
Subpart HHHH - Wet-formed Fiberglass Mat

eCFR Subpart NNN [ecfr.gov]

Source Classification

1. Existing Sources = Commence construction or reconstruction on or before Mar 31, 1997
2. New Sources = Commence construction or reconstruction after Mar 31, 1997

Initial Notification

• No later than Oct 12, 1999 or 120 days after startup, whichever is later.

Compliance Dates

1. Existing Sources = June 14, 2002
2. New Sources = Upon startup.

Notice of Intent to Test

• At least 60 days prior to test

Compliance Status Notification

• No later than 60 days after test

Compliance Reports

1. Semiannual
2. Must cover reporting periods of Jan 1 - June 30 or July 1 - Dec 31
3. Must be submitted no later than 30 days after the end of the reporting period.