General Provisions

1. CFR
2. ›
3. Title 40
4. ›
5. Chapter I
6. ›
7. Part 421
8. ›
9. Subject Group General Provisions

Sections

• 421.1
  § 421.1 Applicability.
• 421.2
  § 421.2 [Reserved]
• 421.3
  § 421.3 Monitoring and reporting requirements.
• 421.4
  § 421.4 Compliance date for pretreatment standards for existing sources (PSES).
• 421.5
  § 421.5 Removal allowances for pretreatment standards.