[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: 40CFR418.56] [Page 349-350] 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. 418.56 Pretreatment standards for new sources. The pretreatment standards under section 307(c) of the Act for a source within the nitric acid subcategory, which is a user of a publicly owned treatment works (and which would be a new source subject to section 306 of the Act, if it were to discharge pollutants to the navigable waters), shall be the standard set forth in part 128 of this chapter, except that, for the purpose of this section, Sec. 128.133 of this chapter shall be amended to read as follows: In addition to the prohibitions set forth in Sec. 128.131 of this chapter, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to publicly owned treatment works by a new source subject to the provisions of this subpart: (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: [[Page 350]] [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)............................ 0.0045 0.00045 Nitrate (as N)............................ 0.17 0.023 ------------------------------------------------------------------------ (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)............................ 0.17 0.023 ------------------------------------------------------------------------ [41 FR 2388, Jan. 16, 1976, as amended at 42 FR 16141, Mar. 25, 1977]