Section

[Code of Federal Regulations]
[Title 40, Volume 27]
[Revised as ofJuly 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR437.44]

[Page 376-377]

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. 437.44 Effluent limitations attainable by the application of the best available technology economically achievable (BAT).

(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 BAT 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

[[Page 377]]

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.
(1) Limitations for the following parameters are the same as the
corresponding limitation specified in Sec. 437.42(b)(1):

------------------------------------------------------------------------
Organic parameters Metal parameters
------------------------------------------------------------------------
Acetone................................... Antimony.
Acetophenone.............................. Arsenic.
Aniline................................... Barium.
bis (2-ethylhexyl) phthalate.............. Cadmium.
2-Butanone................................ Chromium.
Butylbenzyl phthalate..................... Cobalt.
Carbazole................................. Copper.
o-Cresol.................................. Lead.
p-Cresol.................................. Mercury.
n-Decane.................................. Molybdenum.
2,3-dichloroaniline....................... Nickel.
Fluoranthene.............................. Selenium.
n-Octadecane.............................. Silver.
Phenol.................................... Tin.
Pyridine.................................. Titanium.
2,4,6-trichlorophenol..................... Vanadium.
Zinc.
------------------------------------------------------------------------

(2) The in-plant limitations that apply to metal-bearing wastewater
containing cyanide are the same as the corresponding limitations
specified in Sec. 437.42(b)(2).
(c) Combined waste receipts from subparts A and B of this part. (1)
Limitations for the following parameters are the same as the
corresponding limitation specified in Sec. 437.42(c)(1):

(2) The in-plant limitations that apply to metal-bearing wastewater
containing cyanide are the same as the corresponding limitations
specified in Sec. 437.42(c)(2).
(d) Combined waste receipts from subparts A and C of this part. (1)
Limitations for the following parameters are the same as the
corresponding limitation specified in Sec. 437.42(d)(1):

------------------------------------------------------------------------
Organic parameters Metal parameters
------------------------------------------------------------------------
Acetone................................... Antimony.
Acetophenone.............................. Arsenic.
Aniline................................... Cadmium.
2-Butanone................................ Chromium.
o-Cresol.................................. Cobalt.
p-Cresol.................................. Copper.
Phenol.................................... Lead.
Pyridine.................................. Mercury.
2,4,6-trichlorophenol..................... Molybdenum.
Nickel.
Selenium.
Silver.
Tin.
Titanium.
Vanadium.
Zinc.
------------------------------------------------------------------------

(2) The in-plant limitations that apply to metal-bearing wastewater
containing cyanide are the same as the corresponding limitations
specified in Sec. 437.42(e)(2).
(e) Combined waste receipts from subparts B and C of this part.
Limitations for the following parameters are the same as the
corresponding limitation specified in Sec. 437.42(e):

------------------------------------------------------------------------
Organic parameters Metal parameters
------------------------------------------------------------------------
Acetone................................... Antimony.
Acetophenone.............................. Arsenic.
Aniline................................... Barium.
Bis(2-ethylhexyl) phthalate............... Cadmium.
2-Butanone................................ Chromium.
Butylbenzyl phthalate..................... Cobalt.
Carbazole................................. Copper.
o-Cresol.................................. Lead.
p-Cresol.................................. Mercury.
n-Decane.................................. Molybdenum.
2,3-dichloroaniline....................... Tin.
Fluoranthene.............................. Titanium.
n-Octadecane Zinc.
Phenol
Pyridine
2,4,6-trichlorophenol
------------------------------------------------------------------------