Part 142 - NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION
- Subpart A - GENERAL PROVISIONS (§§ 142.1 — 142.4)
- Subpart B - PRIMARY ENFORCEMENT RESPONSIBILITY (§§ 142.10 — 142.19)
- Subpart C - REVIEW OF STATE-ISSUED VARIANCES AND EXEMPTIONS (§§ 142.20 — 142.24)
- Subpart D - FEDERAL ENFORCEMENT (§§ 142.30 — 142.34)
- Subpart E - VARIANCES ISSUED BY THE ADMINISTRATOR UNDER SECTION 1415(A) OF THE ACT (§§ 142.40 — 142.46)
- Subpart F - EXEMPTIONS ISSUED BY THE ADMINISTRATOR (§§ 142.50 — 142.57)
- Subpart G - IDENTIFICATION OF BEST TECHNOLOGY, TREATMENT TECHNIQUES OR OTHER MEANS GENERALLY AVAILABLE (§§ 142.60 — 142.65)
- Subpart H - INDIAN TRIBES (§§ 142.72 — 142.78)
- Subpart I - ADMINISTRATOR'S REVIEW OF STATE DECISIONS THAT IMPLEMENT CRITERIA UNDER WHICH FILTRATION IS REQUIRED (§§ 142.80 — 142.81)
- Subpart K - VARIANCES FOR SMALL SYSTEM (§§ 142.311 — 142.307)