[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: 40CFR437.43]

[Page 372-373]
 
                   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

[[Page 373]]

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).