[Code of Federal Regulations]

[Title 40, Volume 28]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR415.124]



[Page 261]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 415_INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY--Table 

of Contents

 

          Subpart L_Potassium Dichromate Production Subcategory

 

Sec.  415.124  Pretreatment standards for existing sources (PSES).



    Except as provided in 40 CFR 403.7 and 403.13, any existing source 

subject to this subpart which introduces pollutants into a publicly 

owned treatment works must comply with 40 CFR part 403 and achieve the 

following pretreatment standards for existing sources (PSES):



                     Subpart L--Potassium Dichromate

------------------------------------------------------------------------

                                                   PSES limitations

                                             ---------------------------

                                                             Average of

       Pollutant or pollutant property                      daily values

                                               Maximum for     for 30

                                                any 1 day    consecutive

                                                                days

------------------------------------------------------------------------

                                               Milligrams per liter (mg/

                                                          l)

                                             ---------------------------



Hexavalent chromium.........................          0.25         0.090

Total chromium..............................          3.0          1.0

------------------------------------------------------------------------