[Code of Federal Regulations]
[Title 40, Volume 29]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR466.25]

[Page 610]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 466_PORCELAIN ENAMELING POINT SOURCE CATEGORY--Table of Contents
 
             Subpart B_Cast Iron Basis Material Subcategory
 
Sec. 466.25  Pretreatment standards for new sources.

    Except as provided in 40 CFR 403.7, any new source subject to this 
subpart which introduces pollutants into a publicy owned treatment works 
must comply with 40 CFR part 403 and achieve the following pretreatment 
standards for new sources.
    (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--PSNS
------------------------------------------------------------------------
                                       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)
------------------------------------------------------------------------


[47 FR 53184, Nov. 24, 1982, as amended at 50 FR 36544, Sept. 6, 1985]