[Code of Federal Regulations]
[Title 40, Volume 29]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR434.25]

[Page 279-280]
 
                   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 Sec. Sec. 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 Sec. Sec. 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:

[[Page 280]]



                    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.