Collapse to view only § 471.105 - Pretreatment standards for new sources (PSNS).

§ 471.100 - Applicability; description of the powder metals subcategory.

This subpart applies to discharges of pollutants to waters of the United States, and introductions of pollutants into publicly owned treatment works from the process operations of the metal powders subcategory.

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

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 for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

(a) Metal powder production atomization wastewater.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder wet atomized Copper9.585.04 Cyanide1.460.605 Lead2.121.01 Oil and grease10160.5 TSS20798.3 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Sizing spent emulsion.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sized Copper0.0280.015 Cyanide0.0040.002 Lead0.0060.003 Oil and grease0.2920.175 TSS0.5990.285 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Oil-resin impregnation wastewater—subpart J—BPT. There shall be no discharge of process wastewater pollutants.

(d) Steam treatment wet air pollution control scrubber blowdown.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of power metallurgy parts steam treated Copper1.510.792 Cyanide0.2300.095 Lead0.3330.159 Oil and grease15.99.51 TSS32.515.5 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts tumbled, burnished, or cleaned Copper8.364.40 Cyanide1.280.528 Lead1.850.880 Oil and grease88.052.800 TSS18185.8 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(f) Sawing or grinding spent neat oils—subpart J—BPT. There shall be no discharge of process wastewater pollutants.

(g) Sawing or grinding spent emulsion.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with emulsion Copper0.0350.018 Cyanide0.0050.002 Lead0.0080.004 Oil and grease0.3620.217 TSS0.7420.353 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(h) Sawing or grinding contact cooling water.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with contact cooling Copper3.081.62 Cyanide0.4700.195 Lead0.6810.324 Oil and grease32.419.5 TSS66.431.6 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(i) Hot pressing contact cooling water.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder cooled after pressing Copper16.78.80 Cyanide2.551.06 Lead3.701.76 Oil and grease176106 TSS361172 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—BPT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder mixed Copper15.07.90 Cyanide2.290.948 Lead3.321.58 Oil and grease15894.8 TSS324154 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(k) Degreasing spent solvents—subpart J—BPT. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]

§ 471.102 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).

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 available technology economically achievable (BAT):

(a) Metal powder production atomization wastewater.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder wet atomized Copper9.585.04 Cyanide1.460.605 Lead2.121.01

(b) Sizing spent emulsions.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) or powder sized Copper0.0280.015 Cyanide0.0040.002 Lead0.0060.003

(c) Oil-resin impregnation wastewater—subpart J—BAT. There shall be no discharge of process wastewater pollutants.

(d) Steam treatment wet air pollution control scrubber blowdown.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts steam treated Copper1.510.792 Cyanide0.2300.095 Lead0.3330.159

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) or powder metallurgy parts tumbled, burnished, or cleaned Copper8.364.40 Cyanide1.280.528 Lead1.8500.880

(f) Sawing or grinding spent neat oils—subpart J—BAT. There shall be no discharge of process wastewater pollutants.

(g) Sawing or grinding spent emulsions.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with emulsions Copper0.00350.018 Cyanide0.0050.002 Lead0.0080.004

(h) Sawing or grinding contact cooling water.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sawed or ground with contact cooling Copper3.081.62 Cyanide0.4700.195 Lead0.6810.324

(i) Hot pressing contact cooling water.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder cooled after pressing Copper16.78.80 Cyanide2.551.06 Lead3.701.760

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—BAT

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder mixed Copper15.07.90 Cyanide2.290.948 Lead3.321.58

(k) Degreasing spent solvents—subpart J—BAT. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]

§ 471.103 - New source performance standards (NSPS).

Any new source subject to this subpart must achieve the following new source performance standards (NSPS). The mass of pollutants in the metal powder process wastewater shall not exceed the following values:

(a) Metal powder production atom-ization wastewater.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder wet atomized Copper9.585.04 Cyanide1.460.605 Lead2.121.01 Oil and grease10160.5 TSS20798.3 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Sizing spent emulsions.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sized Copper0.0280.015 Cyanide0.0040.002 Lead0.0060.003 Oil and grease0.2920.175 TSS0.5990.285 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Oil-resin impregnation wastewater—subpart J—NSPS. There shall be no discharge of process wastewater pollutants.

(d) Steam treatment wet air pollution control scrubber blowdown.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts steam treated Copper0.1510.079 Cyanide0.0230.010 Lead0.0330.016 Oil and grease1.590.951 TSS3.251.55 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts tumbled, burnished, or cleaned Copper0.8360.440 Cyanide0.1280.053 Lead0.1850.088 Oil and grease8.805.28 TSS18.18.58 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(f) Sawing or grinding spent neat oils—subpart J—NSPS. There shall be no discharge of process wastewater pollutants.

(g) Sawing or grinding spent emulsions.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with emulsions Copper0.0350.018 Cyanide0.0050.002 Lead0.0080.004 Oil and grease0.3620.217 TSS0.7420.353 pH( 1) ( 1)

1 Within the range of 7.5 to 10.0 at all times.

(h) Sawing or grinding contact cooling waterr.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sawed or ground with contact cooling water Copper3.081.62 Cyanide0.4700.195 Lead0.6810.324 Oil and grease32.419.5 TSS66.431.6 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(i) Hot pressing contact cooling water.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder cooled after pressing Copper1.670.880 Cyanide0.2550.106 Lead0.3700.176 Oil and grease17.610.6 TSS36.117.2 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder mixed Copper15.07.90 Cyanide2.290.948 Lead3.321.58 Oil and grease15894.8 TSS324154 pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(k) Degreasing spent solvents—subpart J—NSPS. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]

§ 471.104 - Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and by August 23, 1988 achieve the following pretreatment standards for existing sources (PSES). The mass of wastewater pollutants in metal powders process wastewater introduced into a POTW shall not exceed the following values:

(a) Metal powder production atomization wastewater.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder wet atomized Copper9.585.040 Cyanide1.460.605 Lead2.121.01

(b) Sizing spent emulsions.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sized Copper0.0280.015 Cyanide0.0040.002 Lead0.0060.003

(c) Oil-resin impregnation wastewater—subpart J—PSES.

(d) Steam treatment wet air pollution control scrubber blowdown.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy part steam treated Copper1.510.792 Cyanide0.2300.095 Lead0.3330.159

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts tumbled, burnished, or cleaned Copper8.364.40 Cyanide1.280.528 Lead1.850.880

(f) Sawing or grinding spent neat oils—subpart J—PSES. There shall be no discharge of process watewater pollutants.

(g) Sawing or grinding spent emulsions.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with emulsions Copper0.0350.018 Cyanide0.0050.002 Lead0.0080.004

(h) Sawing or grinding contact cooling water.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sawed or ground with contact cooling water Copper3.081.62 Cyanide0.4700.195 Lead0.6810.324

(i) Hot pressing contact cooling water.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder cooled after pressing Copper16.78.80 Cyanide2.551.06 Lead3.701.76

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder mixed Copper15.07.90 Cyanide2.290.948 Lead3.321.58

(k) Degreasing spent solvents—subpart J—PSES. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]

§ 471.105 - Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new source subject to this subject which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources. The mass of wastewater pollutants in metal powders process wastewater introduced into a POTW shall not exceed the following values:

(a) Metal powder production atomization wastewater.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder wet atomized Copper9.585.04 Cyanide1.460.605 Lead2.121.01

(b) Sizing spent emulsions.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sized Copper0.0280.015 Cyanide0.0040.002 Lead0.0060.003

(c) Oil-resin impregnation wastewater—subpart J—PSNS. There shall be no discharge of process wastewater pollutants.

(d) Steam treatment wet air pollution control scrubber blowdown.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts steam treated Copper0.1510.079 Cyanide0.0230.010 Lead0.0330.016

(e) Tumbling, burnishing and cleaning wastewater.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts tumbled, burnished, or cleaned Copper0.8360.440 Cyanide0.1280.053 Lead0.1850.088

(f) Sawing or grinding spent neat oils—subpart J—PSNS. There shall be no discharge of process wastewater pollutants.

(g) Sawing or grinding spent emulsions.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder metallurgy parts sawed or ground with emulsions Copper0.0350.018 Cyanide0.0050.002 Lead0.0080.004

(h) Sawing or grinding contact cooling water.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder sawed or ground with contact cooling water Copper3.081.620 Cyanide0.4700.195 Lead0.6810.324

(i) Hot pressing contact cooling water.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder cooled after pressing Copper1.670.880 Cyanide0.2550.106 Lead0.3700.176

(j) Mixing wet air pollution control scrubber blowdown.

Subpart J—PSNS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/off-kg (pounds per million off-pounds) of powder mixed Copper15.07.90 Cyanide2.290.948 Lead3.321.58

(k) Degreasing spent solvents—subpart J—PSNS. There shall be no discharge of process wastewater pollutants.

[50 FR 34270, Aug. 23, 1985; 51 FR 2889, Jan. 22, 1986]

§ 471.106 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]