[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: 40CFR424.32] [Page 667] TITLE 40-PROTECTION OF ENVIRONMENT CHAPTER I-ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 424-FERROALLOY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart C-Slag Processing Subcategory Sec. 424.32 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): ------------------------------------------------------------------------ Effluent limitations ----------------------------------- Average of daily Effluent characteristic Maximum values for 30 for any 1 consecutive days shall day not exceed- ------------------------------------------------------------------------ Metric units (kg/kkg processed) ------------- TSS................................. 2.659 1.330 Chromium total...................... 0.053 0.026 Manganese total..................... .532 .266 pH.................................. (\1\) (\1\) ------------- English units (lb/ton processed) ------------- TSS................................. 5.319 2.659 Chromium total...................... 0.106 0.053 Manganese total..................... 1.064 .532 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]