[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR437.43]

[Page 376]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 437--THE CENTRALIZED WASTE TREATMENT POINT SOURCE CATEGORY--Table of Contents
 
                    Subpart D--Multiple Wastestreams
 
Sec. 437.43  Effluent limitations attainable by the application of the best conventional pollutant control technology (BCT).

    (a) Except as provided in 40 CFR 125.30 through 125.32 or 437.40(b), 
any existing facility subject to this subpart which combines treated or 
untreated wastes from subparts A, B, or C of this part may be subject to 
Multiple Wastestream Subcategory effluent limitations representing the 
application of BCT set forth in paragraphs (b), (c), (d), or (e) of this 
section if the discharger agrees to the following conditions in its 
NPDES permit:
    (1) The discharger will meet the applicable Multiple Wastestream 
Subcategory limitations set forth in paragraphs (b), (c), (d) or (e) of 
this section;
    (2) The discharger will notify its NPDES permit writer at the time 
of renewal or modification of its permit, of its desire to be subject to 
the Multiple Waste Subcategory by submitting to the NPDES permit writer 
an initial certification statement as described in Sec. 437.41(a);
    (3) The discharger will submit to its NPDES permitting authority a 
periodic certification statement as described in Sec. 437.41(b) once a 
year; and
    (4) The discharger will maintain at the office of the facility and 
make available for inspection the on-site compliance paperwork as 
described in Sec. 437.41(c).
    (b) Combined waste receipts from subparts A, B and C of this part: 
Limitations for BOD5, O&G, pH, and TSS are the same as the 
corresponding limitation specified in Sec. 437.42(b).
    (c) Combined waste receipts from subparts A and B of this part: 
Limitations for O&G, pH, and TSS are the same as the corresponding 
limitation specified in Sec. 437.42(c).
    (d) Combined waste receipts from subparts A and C of this part: 
Limitations for BOD5, O&G, pH, and TSS are the same as the 
corresponding limitation specified in Sec. 437.42(d).
    (e) Combined waste receipts from subparts B and C of this part: 
Limitations for BOD5, O&G, pH, and TSS are the same as the 
corresponding limitation specified in Sec. 437.42(e).