Callahan Mine - Draft Explanation of Significant Differences (ESD) | Federal Regulations · Congress.wiki

Nonrulemaking

EPA

Open for Comments

EPA-R01-SFUND-2025-3126

Callahan Mine - Draft Explanation of Significant Differences (ESD)

Documents

Comments

Key Dates

Comment Period OpensApr 15, 2026

Comment Period ClosesMay 17, 2026

Type	Title	Posted	Comments	Status
Notice	DRAFT THIRD EXPLANATION OF SIGNIFICANT DIFFERENCES (ESD) - OPERABLE UNIT (OU) 3 FOR PUBLIC COMMENT	Apr 16, 2026	--