[Code of Federal Regulations]

[Title 40, Volume 29]

[Revised as of July 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR437.44]



[Page 373-374]

 

                   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 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



Acetone

Acetophenone

bis (2-ethylhexyl) phthalate

2-Butanone

Butylbenzyl phthalate

Carbazole

o-Cresol

p-Cresol

n-Decane

Fluoranthene

n-Octadecane

Phenol

Pyridine

2,4,6-trichlorophenol



                            Metal parameters



Antimony

Arsenic

Cadmium

Chromium

Cobalt

Copper

Lead

Mercury

Nickel

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(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):



[[Page 374]]



                           Organic parameters



Bis (2-ethylhexyl) phthalate

Butylbenzyl phthalate

Carbazole

n-Decane

Fluoranthene

n-Octadecane



                            Metal parameters



Antimony

Arsenic

Cadmium

Chromium

Cobalt

Copper

Lead

Mercury

Nickel

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(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



Acetone

Acetophenone

2-Butanone

o-Cresol

p-Cresol

Phenol

Pyridine

2,4,6-trichlorophenol



                            Metal parameters



Antimony

Arsenic

Cadmium

Chromium

Cobalt

Copper

Lead

Mercury

Nickel

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



Acetone

Acetophenone

Bis(2-ethylhexyl) phthalate

2-Butanone

Butylbenzyl phthalate

Carbazole

o-Cresol

p-Cresol

n-Decane

Fluoranthene

n-Octadecane

Phenol

Pyridine

2,4,6-trichlorophenol



                            Metal parameters



Arsenic

Cadmium

Chromium

Cobalt

Copper

Lead

Mercury

Tin

Zinc



[65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71024, 71025, Dec. 22, 

2003]