[Code of Federal Regulations] [Title 40, Volume 26] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR424.12] [Page 664] TITLE 40-PROTECTION OF ENVIRONMENT CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 424-FERROALLOY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart A-Open Electric Furnaces With Wet Air Pollution Control Devices Subcategory Sec. 424.12 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, and subject to the provisions of paragraph (a) of this section, 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): ------------------------------------------------------------------------ Effluent limitations ----------------------------------- Average of daily Effluent characteristic Maximum values for 30 for any 1 consecutive days shall day not exceed- ------------------------------------------------------------------------ Metric units (kg/Mwh) ------------- TSS................................. 0.319 0.160 Chromium total...................... .006 .0032 Chromium VI......................... .0006 .0003 Manganese total..................... .064 .032 pH.................................. (\1\) (\1\) ------------- English units (lb/Mwh) ------------- TSS................................. .703 .352 Chromium total...................... .014 .007 Chromium VI......................... .0014 .0007 Manganese total..................... .141 .070 pH.................................. (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. [39 FR 6809, Feb. 22, 1974, as amended at 60 FR 33957, June 29, 1995]