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------------------------------------------------------------------------
Maximum for any Maximum for
1 day monthly average
Pollutant or pollutant property -----------------------------------
------------------------------------------------------------------------
Mg/m\2\ (pounds per million ft\2\)
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]