New source performance standards.

Any new source subject to this subpart must achieve the following new source performance standards: Subpart C—NSPS Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average Metal preparation Coating operation Metal preparation Coating operation Metric units—mg/m 2 of area processed or coated Chromium 3.60 0.47 1.46 0.19 Lead 0.97 0.13 0.88 0.11 Nickel 5.35 0.69 3.60 0.47 Zinc 9.92 1.29 4.09 0.53 Aluminum 29.46 3.82 12.06 1.56 Iron 11.96 1.55 6.13 0.79 Oil and grease 97.24 12.60 97.24 12.60 TSS 145.86 18.91 116.69 15.12 pH ( 1 ) ( 1 ) ( 1 ) ( 1 ) English units—pounds per 1 million ft 2 of area processed or coated Chromium 0.74 0.10 0.30 0.04 Lead 0.20 0.03 0.18 0.20 Nickel 1.10 0.14 0.74 0.10 Zinc 2.03 0.27 0.84 0.11 Aluminum 6.03 0.78 2.47 0.32 Iron 2.45 0.32 1.26 0.16 Oil and grease 19.92 2.58 19.92 2.58 TSS 29.88 3.87 23.90 3.10 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]