New source performance standards (NSPS).

(a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below: (1) Subpart C—Open Formation—Dehydrated—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 2.15 1.02 Lead 0.47 0.21 Iron 2.01 1.02 Oil and grease 16.80 16.80 TSS 25.20 20.16 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (2) Subpart C—Open Formation—Wet—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 0.067 0.032 Lead 0.014 0.006 Iron 0.063 0.032 Oil and grease 0.53 0.53 TSS 0.80 0.64 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (3) Subpart C—Plate Soak—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 0.026 0.012 Lead 0.005 0.002 Iron 0.025 0.012 Oil and grease 0.21 0.21 TSS 0.32 0.25 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (4) Subpart C—Battery Wash (Detergent)—NSPS. Pollutant or pollutant Property Maximum for any 1 Day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 1.152 0.549 Lead 0.252 0.117 Iron 1.08 0.55 Oil and grease 9.0 9.0 TSS 13.5 10.8 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (5) Subpart C—Direct Chill Lead Casting—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 0.000256 0.000122 Lead 0.000056 0.000026 Iron 0.000240 0.000122 Oil and grease 0.0020 0.0020 TSS 0.0030 0.0024 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (6) Subpart C—Mold Release Formulation—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 0.0077 0.0037 Lead 0.0017 0.0008 Iron 0.0072 0.0037 Oil and grease 0.060 0.060 TSS 0.090 0.072 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (7) Subpart C—Truck Wash—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead in trucked batteries English units—pounds per 1,000,000 pounds of lead in trucked batteries Copper 0.006 0.003 Lead 0.001 0.0007 Iron 0.006 0.003 Oil and grease 0.050 0.050 TSS 0.075 0.060 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (8) Subpart C—Laundry—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 0.14 0.07 Lead 0.03 0.01 Iron 0.13 0.07 Oil and grease 1.09 1.09 TSS 1.64 1.31 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (9) Subpart C—Miscellaneous Wastewater Streams—NSPS. Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metric units—mg/kg of lead used English units—pounds per 1,000,000 pounds of lead used Copper 0.39 0.19 Lead 0.085 0.039 Iron 0.37 0.19 Oil and grease 3.07 3.07 TSS 4.61 3.69 pH ( 1 ) ( 1 ) 1 Within the limits of 7.5 to 10.0 at all times. (b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above. [49 FR 9134, Mar. 9, 1984, as amended at 51 FR 30816, Aug. 28, 1986]