[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR434.55]

[Page 286-287]
 
                   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 E--Post-Mining Areas
 
Sec. 434.55  New source performance standards (NSPS).

    The following new source performance standards shall apply to the 
post-mining areas of all new source coal mines:
    (a) Reclamation areas. The standards of this subsection apply to 
discharges from reclamation areas at new source coal mines until SMCRA 
bond release.

Except as provided in 40 CFR 401.17 and Secs. 434.61 and 434.63 (d)(2) 
of this part, the following new source performance standards shall be 
achieved for a discharge subject to the provisions of this subsection:

                        NSPS Effluent Limitations
------------------------------------------------------------------------
      Pollutant or pollutant property                Limitations
------------------------------------------------------------------------
Settleable Solids.........................  0.5 ml/1 maximum not to be
                                             exceeded.
pH........................................  (\1\)
------------------------------------------------------------------------
(\1\) Within the range 6.0 to 9.0 at all times.


[[Page 287]]

    (b) Underground mine drainage. The standards in this subsection 
apply to discharges from the underground workings of new source 
underground mines until bond release.
    (1) Except as provided in 40 CFR 401.17 and Secs. 434.61, 434.62, 
and 434.63 of this part, the following new source performance standards 
shall be achieved for the discharge of any acid or ferruginous mine 
drainage subject to this subsection:

                        NSPS Effluent Limitations
------------------------------------------------------------------------
                                                              Average of
                                                                daily
                                                Maximum for   values for
        Pollutant or pollutant property          any 1 day        30
                                                             consecutive
                                                                 days
------------------------------------------------------------------------
                                                 Concentrations in mg/1
                                               --------------
Iron, total...................................          6.0          3.0
Manganese, total..............................          4.0          2.0
TSS...........................................         70.0         35.0
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0 at all times.

    (2) Except as provided in 40 CFR 401.17 and Secs. 434.61 and 434.63 
of this part, the following new source performance standards shall be 
achieved for the discharge of any alkaline mine drainage subject to this 
subsection:

                        NSPS Effluent Limitations
------------------------------------------------------------------------
                                                              Average of
                                                                daily
                                                Maximum for   values for
        Pollutant or pollutant property          any 1 day        30
                                                             consecutive
                                                                 days
------------------------------------------------------------------------
                                                 Concentrations in mg/1
                                               --------------
Iron, total...................................          6.0          3.0
TSS...........................................         70.0         35.0
pH............................................        (\1\)        (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0 at all times.