[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: 40CFR418.52] [Page 348] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 418_FERTILIZER MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart E_Nitric Acid Subcategory Sec. 418.52 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 establish the quantity or quality of pollutants which may be discharged in process waste water from nitric acid production in which all the raw material ammonia is in the gaseous form: [Metric units, kg/kkg of product; English units, lb/1,000 lb of product] ------------------------------------------------------------------------ Effluent limitations ----------------------------- Average of daily Effluent characteristic Maximum values for 30 for any 1 consecutive days day shall not exceed-- ------------------------------------------------------------------------ Ammonia (as N)............................ 0.007 0.0007 Nitrate (as N)............................ 0.33 0.044 ------------------------------------------------------------------------ (b) The following limitations establish the quantity or quality of pollutants which may be discharged in process waste water from nitric acid production in which all the raw material ammonia is in the shipped liquid form: [Metric units, kg/kkg of product; English units, lb/1,000 lb of product] ------------------------------------------------------------------------ Effluent limitations ----------------------------- Average of daily Effluent characteristic Maximum values for 30 for any 1 consecutive days day shall not exceed-- ------------------------------------------------------------------------ Ammonia (as N)............................ 0.08 0.008 Nitrate (as N)............................ 0.33 0.044 ------------------------------------------------------------------------ [39 FR 12836, Apr. 8, 1974, as amended at 41 FR 2387, Jan. 16, 1976; 42 FR 16141, Mar. 25, 1977; 60 FR 33956, June 29, 1995]