[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR434.81] [Page 289] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 434_COAL MINING POINT SOURCE CATEGORY BPT, BAT, BCT LIMITATIONS AND NEW SOURCE PERFORMANCE STANDARDS--Table of Contents Subpart H_Western Alkaline Coal Mining Sec. 434.81 Applicability. (a) This subpart applies to alkaline mine drainage at western coal mining operations from reclamation areas, brushing and grubbing areas, topsoil stockpiling areas, and regraded areas. (b) This subpart applies to drainage at western coal mining operations from reclamation areas, brushing and grubbing areas, topsoil stockpiling areas, and regraded areas where the discharge, before any treatment, meets all the following requirements: (1) pH is equal to or greater than 6.0; (2) Dissolved iron concentration is less than 10 mg/L; and (3) Net alkalinity is greater than zero. (c) The effluent limitations in this subpart apply until the appropriate SMCRA authority has authorized bond release.