[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: 40CFR466.03]

[Page 606]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 466_PORCELAIN ENAMELING POINT SOURCE CATEGORY--Table of Contents
 
Sec. 466.03  Monitoring and reporting requirements.

    (a) Periodic analyses for chromium as may be required under part 122 
or 403 of this chapter is not required when both of the following 
conditions are met.
    (1) The first wastewater sample of each calendar year has been 
analyzed and found to contain less than 0.08 mg/l chromium.
    (2) The owner or operator of the porcelain enameling facility 
certifies in writing to the control authority or permit issuing 
authority that chromium is not contained in the raw materials or process 
chemicals of that facility and will not be used in the facility.
    (b) The ``monthly average'' regulatory values shall be the basis for 
the monthly average discharge in direct discharge permits and for 
pretreatment standards. Compliance with the monthly discharge limit is 
required regardless of the number of samples analyzed and averaged.

(Approved by the Office of Management and Budget under control number 
2040-0033)

[47 FR 53184, Nov. 24, 1982, as amended at 48 FR 31405, July 8, 1983]