40 C.F.R. § 430.52

Current through September 30, 2024

Section 430.52 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)

(a) Except as provided in 40 CFR 125.30 through 125.32 , any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart E

[Bisulfite liquor/surface condensers; BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	31.8	16.55	9.30
TSS	43.95	23.65	12.99
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Bisulfite liquor/barometric condensers; BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	34.7	18.05	10.14
TSS	52.2	28.1	15.44
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Acid sulfite liquor/surface condensers; BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	32.3	16.8	9.44
TSS	43.95	23.65	12.99
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Acid sulfite liquor/barometric condensers; BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	35.55	18.5	10.39
TSS	52.2	28.1	15.44
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Bisulfite liquor/surface condensers; BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	26.7	13.9	7.81
TSS	43.95	23.65	12.99
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

NOTE: Limitations above do not apply to mills using continuous digesters.

Subpart E

[Bisulfite liquor/barometric condensers; BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	29.4	15.3	8.60
TSS	52.2	28.1	15.44
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

NOTE: Limitations above do not apply to mills using continuous digesters.

Subpart E

[Acid sulfite liquor/surface condensers; BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	29.75	15.5	8.71
TSS	43.95	23.65	12.99
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

NOTE: Limitations above do not apply to mills using continuous digesters.

Subpart E

[Acid sulfite liquor/barometric condensers; BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	32.5	16.9	9.49
TSS	52.2	28.1	15.44
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

NOTE: Limitations above do not apply to mills using continuous digesters.

Subpart E

[Continuous digesters; BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	38.15	19.85	11.15
TSS	53.75	28.95	15.91
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

(b) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, resulting from the use of wet barking operations, which may be discharged by a point source subject to the provisions of this subpart. These limitations are in addition to the limitations set forth in paragraph (a) of this section and shall be calculated using the proportion of the mill's total production due to use of logs which are subject to such operations:

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	2.7	1.45	0.80
TSS	7.5	3.95	2.19
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	3.05	1.6	0.90
TSS	7.5	3.95	2.19
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

(c) The following limitations establish the quantity or quality of pollutants or pollutant parameters, controlled by this section, resulting from the use of log washing or chip washing operations, which may be discharged by a point source subject to the provisions of this subpart. These limitations are in addition to the limitations set forth in paragraph (a) of this section and shall be calculated using the proportion of the mill's total production due to use of logs and/or chips which are subject to such operations:

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	0.15	0.1	0.05
TSS	2.55	1.35	0.75
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	0.35	0.2	0.1
TSS	2.55	1.35	0.75
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

(d) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, resulting from the use of log flumes or log ponds, which may be discharged by a point source subject to the provisions of this subpart. These limitations are in addition to the limitations set forth in paragraph (a) of this section and shall be calculated using the proportion of the mill's total production due to use of logs which are subject to such operations:

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where blow pit washing techniques are used]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	0.35	0.2	0.1
TSS	1.7	0.9	0.5
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where vacuum or pressure drums are used to wash pulp]

Pollutant or pollutant property	Kg/kkg (or pounds per 1,000 lb) of product
	Continuous dischargers		Non-continuous dischargers (annual average)
	Maximum for any 1 day	Average of daily values for 30 consecutive days
BOD5	0.7	0.35	0.2
TSS	1.70	0.9	0.5
pH	(1)	(1)	(1)

¹ Within the range of 5.0 to 9.0 at all times.

40 C.F.R. §430.52