Any new source subject to this subpart must achieve the following new source performance standards:

Subpart C—NSPS

Pollutant or pollutant propertyMaximum for any 1 dayMaximum for monthly average
Metal preparation Coating operation Metal preparation Coating operation
Metric units—mg/m2 of area processed or coated
Chromium3.600.471.460.19
Lead0.970.130.880.11
Nickel5.350.693.600.47
Zinc9.921.294.090.53
Aluminum29.463.8212.061.56
Iron11.961.556.130.79
Oil and grease97.2412.6097.2412.60
TSS145.8618.91116.6915.12
pH(1)(1)(1)(1)
English units—pounds per 1 million ft2 of area processed or coated
Chromium0.740.100.300.04
Lead0.200.030.180.20
Nickel1.100.140.740.10
Zinc2.030.270.840.11
Aluminum6.030.782.470.32
Iron2.450.321.260.16
Oil and grease19.922.5819.922.58
TSS29.883.8723.903.10
pH(1)(1)(1)(1)

1 Within the range 7.5 to 10.0 at all times.

[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36544, Sept. 6, 1985]