[Code of Federal Regulations]

[Title 40, Volume 29]

[Revised as of July 1, 2006]

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

[CITE: 40CFR433.13]



[Page 273]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 433_METAL FINISHING POINT SOURCE CATEGORY--Table of Contents

 

                  Subpart A_Metal Finishing Subcategory

 

Sec.  433.13  Effluent limitations representing the degree of effluent 

reduction attainable by applying the best practicable control technology 

currently available (BPT).



    (a) Except as provided in 40 CFR 125.30 through 125.32, any existing 

point source subject to this subpart must achieve the following effluent 

limitations representing the degree of effluent reduction attainable by 

applying the best practicable control technology currently available 

(BPT):



                        BPT Effluent Limitations

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

                                                               Monthly

                                               Maximum for     average

       Pollutant or pollutant property          any 1 day     shall not

                                                               exceed

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

                                               Milligrams per liter (mg/

                                                          l)

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

Cadmium (T).................................          0.69          0.26

Chromium (T)................................          2.77          1.71

Copper (T)..................................          3.38          2.07

Lead (T)....................................          0.69          0.43

Nickel (T)..................................          3.98          2.38

Silver (T)..................................          0.43          0.24

Zinc (T)....................................          2.61          1.48

Cyanide (T).................................          1.20          0.65

TTO.........................................          2.13  ............

Oil & Grease................................         52            26

TSS.........................................         60            31

pH..........................................      (\1\)         (\1\)

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

\1\ Within 6.0 to 9.0.



    (b) Alternatively, for industrial facilities with cyanide treatment, 

and upon agreement between a source subject to those limits and the 

pollution control authority, the following amenable cyanide limit may 

apply in place of the total cyanide limit specified in paragraph (a) of 

this section:



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

                                                               Monthly

                                               Maximum for     average

       Pollutant or pollutant property          any 1 day     shall not

                                                               exceed

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

                                               Milligrams per liter (mg/

                                                          l)

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

Cyanide (A).................................          0.86          0.32

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



    (c) No user subject to the provisions of this subpart shall augment 

the use of process wastewater or otherwise dilute the wastewater as a 

partial or total substitute for adequate treatment to achieve compliance 

with this limitation.