[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: 40CFR420.03]



[Page 392]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 420_IRON AND STEEL MANUFACTURING POINT SOURCE CATEGORY--Table of 

Contents

 

Sec.  420.03  Alternative effluent limitations representing the degree 



of effluent reduction attainable by the application of best practicable 

control technology currently available, best available technology 

economically achievable, best available demonstrated control 

technology, and best conventional pollutant control technology 

(the ``water bubble'').



    (a) Except as provided in paragraphs (c) through (f) of this 

section, any existing or new direct discharging point source subject to 

this part may qualify for alternative effluent limitations to those 

specified in subparts A through M of this part, representing the degree 

of effluent reduction attainable by the application of best practicable 

control technology currently available (BPT), best available technology 

economically achievable (BAT), best conventional pollutant control 

technology (BCT), and best available demonstrated control technology 

(NSPS). The alternative effluent limitations for each pollutant are 

determined for a combination of outfalls by totaling the mass 

limitations allowed under subparts A through M of this part for each 

pollutant.

    (b) The water bubble may be used to calculate alternative effluent 

limitations only for identical pollutants (e.g., lead for lead, not lead 

for zinc).

    (c) [Reserved]

    (d) A discharger cannot qualify for alternative effluent limitations 

if the application of such alternative effluent limitations would cause 

or contribute to an exceedance of any applicable water quality 

standards.

    (e) Each outfall from which process wastewaters are discharged must 

have specific, fixed effluent limitations for each pollutant limited by 

the applicable subparts A through M of this part.

    (f) Subcategory-specific restrictions:(1) There shall be no 

alternate effluent limitations for cokemaking process wastewater unless 

the alternative limitations are more stringent than the limitations in 

Subpart A of this part.

    (2) There shall be no alternate effluent limitations for 2,3,7,8-

TCDF in sintering process wastewater.

    (3) There shall be no alternate effluent limitations for O&G in 

sintering process wastewater unless the alternative limitations are more 

stringent than the otherwise applicable limitations in subpart B of this 

part.



[67 FR 64261, Oct. 17, 2002, as amended at 70 FR 73623, Dec. 13, 2005]