test 2026 mods
2026 files on www3: https://www3.epa.gov/npdes/pwt-04-2026/...
- Session 1: Overview
- Session 2: Scope
- Session 3: Application
- Session 4: POTWs
- Session 5: Non-POTWs
- Session 6: WQ Part I—Standards
- Session 7: WQ Part II—Effluent
- Session 8: WQ Part III—Determining WQs
- Session 9: WQ Part IV—Calculating WQs
- Session 10: Monitoring
- Session 11: Special Conditions
- Session 12: Standard Conditions
- Session 13: Administrative