[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR434.25]

[Page 283]
 
                   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 B--Coal Preparation Plants and Coal Preparation Plant Associated 
                                  Areas
 
Sec. 434.25  New source performance standards (NSPS).

    The following new source performance standards (NSPS) shall be 
achieved by any new source coal preparation plant and coal preparation 
plant associated areas, as indicated:
    (a) 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 apply to discharges from new source coal preparation plants and 
new source coal preparation plant associated areas, if such discharges 
normally exhibit a pH of less than 6.0 prior to treatment:

                    NSPS Effluent Limitations (mg/l)
------------------------------------------------------------------------
                                                             Average of
                                                            daily values
       Pollutant or pollutant property         Maximum for     for 30
                                                any 1 day    consecutive
                                                                days
------------------------------------------------------------------------
Iron, total.................................         6.0           3.0
Manganese, total............................         4.0           2.0
TSS.........................................        70            35
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ 6.0-9.0 at all times.

    (b) 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 apply to discharges from new source coal preparation plants and 
new source coal preparation plant associated areas, if such discharges 
normally exhibit a pH equal to or greater than 6.0 prior to treatment:

                    NSPS Effluent Limitations (mg/l)
------------------------------------------------------------------------
                                                             Average of
                                                            daily values
       Pollutant or pollutant property         Maximum for     for 30
                                                any 1 day    consecutive
                                                                days
------------------------------------------------------------------------
Iron, total.................................         6.0           3.0
TSS.........................................        70            35
pH..........................................     (\1\)         (\1\)
------------------------------------------------------------------------
\1\ 6.0-9.0 at all times.