StacksVerified U.S. regulatory reference

40 CFR Part 434, Appendix A — Alternate Storm Limitations for Acid or Ferruginous Mine Drainage

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov

[Figure — view on eCFR: https://www.ecfr.gov/graphics/ec01my92.113.gif]