New source performance standards.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Effluent Guidelines and Standards
  6. Porcelain Enameling Point Source Category
  7. Cast Iron Basis Material Subcategory
  8. New source performance standards.

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§ 466.23 New source performance standards.

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

(a) There shall be no discharge of process wastewater pollutants from metal preparation operations.

(b) The discharge of process wastewater pollutants from all porcelain enameling coating operations shall not exceed the values set forth below:

Subpart B - NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Mg/m2 (pounds per million ft2) of area coated
Chromium 0.47 (0.10) 0.19 (0.04)
Lead 0.13 (0.03) 0.11 (0.02)
Nickel 0.69 (0.14) 0.47 (0.10)
Zinc 1.29 (0.27) 0.53 (0.11)
Aluminum 3.82 (0.78) 1.56 (0.32)
Iron 1.55 (0.32) 0.79 (0.16)
Oil and grease 12.60 (2.58) 12.60 (2.58)
TSS 18.91 (3.87) 15.12 (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]


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