40 CFR 466.43: New source performance standards.

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

Subpart D—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 6.23 0.46 2.52 0.19

Lead 1.69 0.13 1.52 0.11

Nickel 9.25 0.69 6.23 0.47

Zinc 17.16 1.29 7.07 0.53

Aluminum 50.97 3.82 20.86 1.56

Iron 20.69 1.55 10.60 0.79

Oil and grease 168.23 12.60 168.23 12.60

TSS 252.35 18.91 201.88 15.12

pH (1) (1) (1) (1)

English units—pounds per 1 million ft2 of area processed or coated

Chromium 1.28 0.10 0.52 0.04

Lead 0.35 0.03 0.31 0.03

Nickel 1.90 0.14 1.28 0.10

Zinc 3.52 0.27 1.45 0.11

Aluminum 10.44 0.78 4.27 0.32

Iron 4.24 0.32 2.17 0.16

Oil and grease 34.46 2.58 34.46 2.58

TSS 51.69 3.87 41.35 3.10

pH (1) (1) (1) (1)

1 Within the range 7.5 to 10.0 at all times.