Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 430.22 - 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 B

[BPT effluent limitations for bleached kraft facilities where market pulp is produced]

Pollutant or pollutant parameter 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
BOD515.458.054.52
TSS30.416.49.01
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where paperboard, coarse paper, and tissue paper are produced]

Pollutant or pollutant parameter 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
BOD513.657.13.99
TSS24.012.97.09
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where pulp and fine papers are produced]

Pollutant or pollutant parameter 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
BOD510.65.53.09
TSS22.1511.96.54
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for soda facilities where pulp and paper are produced]

Pollutant or pollutant parameter 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
BOD513.77.13.99
TSS24.513.27.25
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 B

[BPT effluent limitations for bleached kraft facilities where market pulp is produced]

Pollutant or pollutant parameter 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
BOD52.31.20.70
TSS5.32.851.55
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where paperboard, coarse paper, and tissue paper are produced]

Pollutant or pollutant parameter 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
BOD52.251.20.65
TSS5.753.11.70
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where pulp and fine papers are produced]

Pollutant or pollutant parameter 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
BOD51.951.00.55
TSS5.32.851.55
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for soda facilities where pulp and papers are produced]

Pollutant or pollutant parameter 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
BOD52.051.10.60
TSS5.252.81.55
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 B

[BPT effluent limitations for bleached kraft facilities where market pulp is produced]

Pollutant or pollutant parameter 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
BOD50.20.10.1
TSS0.60.30.15
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where paperboard, coarse paper, and tissue paper are produced]

Pollutant or pollutant parameter 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
BOD50.250.150.05
TSS0.650.350.20
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where pulp and fine papers are produced]

Pollutant or pollutant parameter 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
BOD50.20.10.05
TSS0.550.30.15
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for soda facilities where pulp and papers are produced]

Pollutant or pollutant parameter 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
BOD50.150.10.05
TSS0.50.250.15
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 B

[BPT effluent limitations for bleached kraft facilities where market pulp is produced]

Pollutant or pollutant parameter 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
BOD50.40.20.15
TSS1.150.60.35
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where paperboard, coarse paper, and tissue paper are produced]

Pollutant or pollutant parameter 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
BOD50.450.250.10
TSS1.250.70.35
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for bleached kraft facilities where pulp and fine papers are produced]

Pollutant or pollutant parameter 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
BOD50.350.20.10
TSS1.150.60.30
pH( 1)( 1)( 1)

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

Subpart B

[BPT effluent limitations for soda facilities where pulp and papers are produced]

Pollutant or pollutant parameter 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
BOD50.30.20.10
TSS1.10.550.35
pH( 1)( 1)( 1)

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

authority: Sections 301, 304, 306, 307, 308, 402, and 501 of the Clean Water Act, as amended, (33 U.S.C. 1311,1314,1316,1317,1318,1342,and,and,as.S.C. 7412)
source: 63 FR 18635, Apr. 15, 1998, unless otherwise noted.
cite as: 40 CFR 430.22