[Code of Federal Regulations]
[Title 40, Volume 28]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR433.13]

[Page 274-275]
 
                   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:

[[Page 275]]



------------------------------------------------------------------------
                                                               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.