Air Toxics Notebook
Primary Lead Processing -  Subpart TTT

Applicability: eCFR Subpart TTT [ecfr.gov]

This subpart applies to:
  1. Facilities engaged in producing lead metal from ore concentrates that are Major or Area Source of HAPs*.

Not subject to this subpart:
  1. Secondary lead smelters;
  2. Lead refiners;
  3. Lead remelters.

*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.
Rules apply to small, area sources? Yes
Known Sources in NDEE Jurisdiction: No
Date of Original Final Rule: 6/4/99
Amendments Dates: 11/15/2011 - Final Rule
04/20/2006 - Amendments
06/23/2003 - Amendments
State Regulations (Title 129): Title 129, Chapter 13, Section 002.52

Previously: Chapter 28, Section 001.46.

Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR
Federal Regulations: 40 CFR 63.1541
Related Rules:

NSPS – 40 CFR Part 60

Subpart R – Primary Lead Smelters

NESHAP - 40 CFR Part 63
Subpart X - Secondary Lead Smelter
Regulations and Federal Registers:
eCFR Subpart TTT [ecfr.gov]

(See attached file: 3T- Fed. Reg. 2011-11-15 - Final Residual Risk.pdf)

(See attached file: 3T - Fed. Reg. 2006-04-20 - Final Rule; Amendments.pdf)

(See attached file: 3T - Fed. Reg. 2003-06-23 - Amendments.pdf)

(See attached file: 3T- Fed. Reg. 1999-06-04 - Final Rule.pdf)

SizeFile Name
260 KB 3T- Fed. Reg. 2011-11-15 - Final Residual Risk.pdf
291 KB 3T - Fed. Reg. 2006-04-20 - Final Rule; Amendments.pdf
281 KB 3T - Fed. Reg. 2003-06-23 - Amendments.pdf
234 KB 3T- Fed. Reg. 1999-06-04 - Final Rule.pdf
Forms:
Important Dates:
FAQs, Fact Sheets, and Rule Summaries: EPA's Subpart TTT Website [epa.gov] - contains federal register notices
Presentations, Training and Articles:
Other Information and Resources:
Notes:
Page Last Updated: 12/16/22