40 C.F.R. § 437.46

Current through September 30, 2024

Section 437.46 - Pretreatment standards for existing sources (PSES)

(a) Except as provided in 40 CFR 403.7 , § 403.13 or § 437.40(b) , any new source 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 pretreatment standards representing the application of PSES set forth in paragraphs (b), (c), (d), or (e) of this section if the discharger agrees to the following conditions in its permit:

(1) The discharger will meet the applicable Multiple Wastestream

Subcategory standards set forth in paragraphs (b), (c), (d) or (e) of this section;

(2) The discharger will notify its local control authority of its desire to be subject to the Multiple Waste Subcategory by submitting to the local control authority an initial certification statement as described in § 437.41(a) ;

(3) The discharger will submit to its local control authority a periodic certification statement as described in § 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 § 437.41(c) .

(b)Combined waste receipts from subparts A, B and C of this part.

(1) As provided in § 437.46(a) , and no later than [Insert date-three years after publication], any existing source subject to this paragraph must achieve the following pretreatment standards:

Pretreatment Standards (PSES)

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Metal Parameters
Antimony	0.249	0.206
Arsenic	0.162	0.104
Cadmium	0.474	0.0962
Chromium	0.947	0.487
Cobalt	0.192	0.124
Copper	0.405	0.301
Lead	0.222	0.172
Mercury	0.00234	0.000739
Nickel	3.95	1.45
Silver	0.120	0.0351
Tin	0.409	0.120
Titanium	0.0947	0.0618
Vanadium	0.218	0.0662
Zinc	2.87	0.641
Organic Parameters
Bis(2-ethylhexyl) phthalate	0.267	0.158
Carbazole	0.392	0.233
o-Cresol	1.92	0.561
p-Cresol	0.698	0.205
n-Decane	5.79	3.31
Fluoranthene	0.787	0.393
n-Octadecane	1.22	0.925
2,4,6-Trichlorophenol	0.155	0.106

¹ mg/L (ppm).

(2) The following in-plant limitations apply to metal-bearing wastewater containing cyanide:

In-Plant Limitations

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Cyanide	500	178

¹ mg/L (ppm).

(c)Combined waste receipts from subparts A and B of this part.

(1) As provided in § 437.46(a) , and no later than December 22, 2003, any existing source subject to this paragraph must achieve the following pretreatment standards:

Pretreatment Standards (PSES)

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Metal Parameters
Antimony	0.249	0.206
Arsenic	0.162	0.104
Cadmium	0.474	0.0962
Chromium	0.947	0.487
Cobalt	0.192	0.124
Copper	0.405	0.301
Lead	0.222	0.172
Mercury	0.00234	0.000739
Nickel	3.95	1.45
Silver	0.120	0.0351
Tin	0.409	0.120
Titanium	0.0947	0.0618
Vanadium	0.218	0.0662
Zinc	2.87	0.641
Organic Parameters
Bis(2-ethylhexyl) phthalate	0.267	0.158
Carbazole	0.392	0.233
n-Decane	5.79	3.31
Fluoranthene	0.787	0.393
n-Octadecane	1.22	0.925

¹ mg/L (ppm).

(2) The following in-plant limitations apply to metal-bearing wastewater containing cyanide:

In-Plant Limitations

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Cyanide	500	178

¹ mg/L (ppm).

(d)Combined waste receipts from subparts A and C of this part.

(1) As provided in § 437.46(a) , and no later than December 22, 2003, any existing source subject to this paragraph must achieve the following pretreatment standards:

Pretreatment Standards (PSES)

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Metal Parameters
Antimony	0.249	0.206
Arsenic	0.162	0.104
Cadmium	0.474	0.0962
Chromium	15.5	3.07
Cobalt	0.192	0.124
Copper	4.14	1.06
Lead	1.32	0.283
Mercury	0.00234	0.000739
Nickel	3.95	1.45
Silver	0.120	0.0351
Tin	0.409	0.120
Titanium	0.0947	0.0618
Vanadium	0.218	0.0662
Zinc	2.87	0.641
Organic Parameters
o-Cresol	1.92	0.561
p-Cresol	0.698	0.205
2,4,6-Trichlorophenol	0.155	0.106

¹ mg/L (ppm).

(2) The following in-plant limitations apply to metal-bearing wastewater containing cyanide:

In-Plant Limitations

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Cyanide	500	178

¹ mg/L (ppm).

(e)Combined waste receipts from subparts B and C of this part. As provided in § 437.46(a) , and no later than December 22, 2003, any existing source subject to this paragraph must achieve the following pretreatment standards:

Pretreatment Standards (PSES)

Regulated parameter	Maximum daily1	Maximum monthly avg.1
Metal Parameters
Chromium	0.947	0.487
Cobalt	56.4	18.8
Copper	0.405	0.301
Lead	0.222	0.172
Tin	0.249	0.146
Zinc	6.95	4.46
Organic Parameters
Bis (2-ethylhexyl) phthalate	0.267	0.158
Carbazole	0.392	0.233
o-Cresol	1.92	0.561
p-Cresol	0.698	0.205
n-Decane	5.79	3.31
Fluoranthene	0.787	0.393
n-Octadecane	1.22	0.925
2,4,6-Trichlorophenol	0.155	0.106

¹ mg/L (ppm).

40 C.F.R. §437.46

65 FR 81300, Dec. 22, 2000, as amended at 68 FR 71025, Dec. 22, 2003