Reference Source

Industrial, Commercial and Institutional Boilers and Process Heaters (major sources)

For Industrial, Commercial and Institutional Boilers and Process Heaters (major sources), cfr subpart is 40 CFR 63 Subpart DDDDD; source type is major sources; original final rule date is 2004-09-13; most recent amendment date is 2022-10-06; rtr status is not stated, recorded from its source on 2026-09-29.

source category
Industrial, Commercial and Institutional Boilers and Process Heaters (major sources) verified
cfr subpart
40 CFR 63 Subpart DDDDD verified
source type
major sources our reading
original final rule date
2004-09-13
most recent amendment date
2022-10-06
rtr status
not stated our reading
key haps regulated
mercury, hydrogen chloride, particulate matter
epa category url
https://www.epa.gov/stationary-sources-air-pollution/industrial-commercial-and-institutional-boilers-and-process-0 our reading
Sourceepa.gov
Verified
Review by
DatasetEPA NESHAP Source Category Applicability Crosswalk

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Industrial, Commercial and Institutional Boilers and Process Heaters (major sources) | 40 CFR 63 Subpart DDDDD

— epa.gov, retrieved 2026-09-29

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.