[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR434.23]

[Page 282-283]
 
                   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. 434.23  Effluent limitations guidelines representing the degree of effluent reduction attainable by application of the best available technology 
          economically achievable (BAT).

    (a) Except as provided in 40 CFR 125.30-125.32, and Secs. 434.61, 
434.62 and 434.63 of this part, the following limitations establish the 
concentration or quality of pollutants which may be discharged by any 
existing coal preparation plant and coal preparation plant associated 
areas subject to the provisions of this subpart after application of the 
best available technology economically achievable if discharges from 
such point sources normally exhibit a pH of less than 6.0 prior to 
treatment:

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                              Average of
                                                                daily
                                                Maximum for   values for
        Pollutant or pollutant property          any 1 day        30
                                                             consecutive
                                                                 days
------------------------------------------------------------------------
                                                  Concentration in mg/l
                                               --------------
Iron, total...................................          7.0          3.5
Manganese, total..............................          4.0          2.0
------------------------------------------------------------------------

    (b) Except as provided in 40 CFR 125.30-125.32, and Secs. 434.61 and 
434.63 of this part, the following limitations establish the 
concentration or quality of pollutants which may be discharged by any 
existing coal preparation plant and coal preparation plant associated 
areas subject to the provisions of this subpart after application of the 
best available technology economically achievable if discharges from 
such point

[[Page 283]]

sources normally exhibit a pH equal to or greater than 6.0 prior to 
treatment:

                        BAT Effluent Limitations
------------------------------------------------------------------------
                                                              Average of
                                                                daily
                                                Maximum for   values for
        Pollutant or pollutant property          any 1 day        30
                                                             consecutive
                                                                 days
------------------------------------------------------------------------
                                                  Concentration in mg/l
                                               --------------
Iron, total...................................          7.0          3.5
------------------------------------------------------------------------