40 CFR 466.33: 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/m2 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 ft2 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.