[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: 40CFR418.32]



[Page 345]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 418_FERTILIZER MANUFACTURING POINT SOURCE CATEGORY--Table of Contents

 

                       Subpart C_Urea Subcategory

 

Sec.  418.32  Effluent limitations guidelines representing the degree of 

effluent reduction attainable by the application of the best practicable 

control technology currently available.



    Except as provided in Sec. Sec.  125.30 through 125.32, any existing 

point source subject to this subpart shall achieve the following 

effluent limitations representing the degree of effluent reduction 

attainable by the application of the best practicable control technology 

currently available (BPT):

    (a) The following limitations constitute the maximum permissible 

discharge for urea manufacturing operations in which urea is produced as 

a solution product:



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

                                             Effluent limitations (mg/l)

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

                                                        Average of daily

         Effluent characteristics             Maximum     values for 30

                                             for any 1  consecutive days

                                                day         shall not

                                                            exceed--

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

Ammonia (as N)............................        0.95              0.48

Organic nitrogen (as N)...................        0.61              0.33

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

Note: Metric units: Kilogram/1,000 kg of product; English units: Pound/

  1,000 lb of product.



    (b) The following limitations constitute the maximum permissible 

discharge for urea manufacturing operations in which urea is prilled or 

granulated:



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

                                             Effluent limitations (mg/l)

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

                                                        Average of daily

         Effluent characteristics             Maximum     values for 30

                                             for any 1  consecutive days

                                                day         shall not

                                                            exceed--

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

Ammonia (as N)............................        1.18              0.59

Organic nitrogen (as N)...................        1.48              0.80

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

Note: Metric units: Kilogram/1,000 kg of product; English units: Pound/

  1,000 lb of product.





(Sec. 306(b), Federal Water Control Act, as amended (33 U.S.C. 1316(c)))



[39 FR 12836, Apr. 8, 1974, as amended at 43 FR 17826, Apr. 26, 1978; 44 

FR 9388, Feb. 13, 1979; 60 FR 33956, June 29, 1995]