[Code of Federal Regulations]

[Title 40, Volume 29]

[Revised as of July 1, 2005]

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

[CITE: 40CFR467.56]



[Page 648-649]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 467_ALUMINUM FORMING POINT SOURCE CATEGORY--Table of Contents

 

              Subpart E_Drawing With Neat Oils Subcategory

 

Sec. 467.56  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 publicly owned treatment 

works must comply with 40 CFR part 403 and achieve the following 

pretreatment standards for new sources.



The mass of wastewater pollutants in aluminum forming process wastewater 

introduced into a POTW shall not exceed the values set forth below:



                                Subpart E



                                  Core



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

                                                         PSNS

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

       Pollutant or pollutant property                       Maximum for

                                               Maximum for     monthly

                                                any 1 day      average

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

                                              mg/off-kg (lb/million off-

                                                lbs) of aluminum drawn

                                                    with neat oils

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

Chromium....................................       0.019         0.008

Cyanide.....................................       0.010         0.004

Zinc........................................       0.051         0.021

TTO.........................................       0.035    ............

Oil and grease (alternate monitoring               0.50          0.50

 parameter).................................

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





[[Page 649]]



                                Subpart E



                    Continuous Rod Casting Lubricant



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

                                                         PSNS

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

       Pollutant or pollutant property                       Maximum for

                                               Maximum for     monthly

                                                any 1 day      average

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

                                              mg/off-kg (lb/million off-

                                               lbs) of aluminum rod cast

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

Chromium....................................        0.0007        0.0003

Cyanide.....................................        0.0004        0.0002

Zinc........................................        0.0020        0.0008

TTO.........................................        0.0014  ............

Oil and grease (alternate monitoring                0.020         0.020

 parameter).................................

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



                                Subpart E



              Continuous Rod Casting Contact Cooling Water



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

                                                         PSNS

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

       Pollutant or pollutant property                       Maximum for

                                               Maximum for     monthly

                                                any 1 day      average

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

                                              mg/off-kg (lb/million off-

                                               lbs) of aluminum rod cast

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

Chromium....................................         0.072         0.029

Cyanide.....................................         0.039         0.016

Zinc........................................         0.198         0.134

TTO.........................................  ............         0.082

Oil and grease (alternate monitoring                 1.94          1.94

 parameter).................................

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



                                Subpart E



              Solution Heat Treatment Contact Cooling Water



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

                                                          PSNS

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

       Pollutant or pollutant property                       Maximum for

                                               Maximum for     monthly

                                                any 1 day      average

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

                                               mg/off-kg (lb/million off-

                                               lbs) of aluminum quenched

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

Chromium.....................................         0.76         0.306

Cyanide......................................         0.41         0.163

Zinc.........................................         2.08         0.856

TTO..........................................         1.41  ............

Oil and grease (alternate monitoring                 20.37        20.37

 parameter)..................................

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



                                Subpart E



                        Cleaning or Etching Bath



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

                                                         PSNS

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

       Pollutant or pollutant property                       Maximum for

                                               Maximum for     monthly

                                                any 1 day      average

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

                                              mg/off-kg (lb/million off-

                                               lbs) of aluminum cleaned

                                                       or etched

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

Chromium....................................         0.067         0.027

Cyanide.....................................         0.036         0.015

Zinc........................................         0.183         0.075

TTO.........................................         0.124  ............

Oil and grease (alternate monitoring                 1.79          1.79

 parameter).................................

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



                                Subpart E



                        Cleaning or Etching Rinse



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

                                                          PSNS

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

        Pollutant or pollutant property                      Maximum for

                                                Maximum for    monthly

                                                 any 1 day     average

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

                                                  mg/off-kg (lb/million

                                                  off-lbs) of aluminum

                                                    cleaned or etched

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

Chromium......................................         0.52         0.21

Cyanide.......................................         0.28         0.11

Zinc..........................................         1.42         0.59

TTO...........................................         0.96  ...........

Oil and grease (alternate monitoring                  13.91        13.91

 parameter)...................................

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



                                Subpart E



                   Cleaning or Etching Scrubber Liquor



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

                                                          PSNS

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

       Pollutant or pollutant property                       Maximum for

                                               Maximum for     monthly

                                                any 1 day      average

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

                                               mg/off-kg (lb/million off-

                                                lbs) of aluminum cleaned

                                                       or etched

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

Chromium.....................................         0.72         0.29

Cyanide......................................         0.39         0.16

Zinc.........................................         1.97         0.812

TTO..........................................         1.34  ............

Oil and grease (alternate monitoring                 19.33        19.33

 parameter)..................................

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





[48 FR 49149, Oct. 24, 1983; 49 FR 11632, 11633, and 11635, Mar. 27, 

1984]



[[Page 650]]