[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: 40CFR405.42] [Page 65] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 405_DAIRY PRODUCTS PROCESSING POINT SOURCE CATEGORY--Table of Contents Subpart D_Butter Subcategory Sec. 405.42 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) For plants processing more than 175,000 lb/day of milk equivalent (more than 18,180 lb/day of BOD5 input). ------------------------------------------------------------------------ Effluent limitations ----------------------------- Average of daily Effluent characteristic Maximum values for 30 for any 1 consecutive days day shall not exceed-- ------------------------------------------------------------------------ Metric units (kilograms per 1,000 kg of BOD5 input) ----------------------------- BOD5...................................... 1.375 0.550 TSS....................................... 2.063 .825 pH........................................ (\1\) (\1\) ----------------------------- English units (pounds per 100 lb of BOD5 input) ----------------------------- BOD5...................................... 0.138 0.055 TSS....................................... 0.206 .083 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. (b) For plants processing 175,000 lb/day or less of milk equivalent (less than 18,180 lb/day of BOD5 input). ------------------------------------------------------------------------ Effluent limitations ----------------------------- Average of daily Effluent characteristic Maximum values for 30 for any 1 consecutive days day shall not exceed-- ------------------------------------------------------------------------ Metric units (kilograms per 1,000 kg of BOD5 input) ----------------------------- BOD5...................................... 1.825 0.913 TSS....................................... 2.738 1.369 pH........................................ (\1\) (\1\) ----------------------------- English units (pounds per 100 lb of BOD5 input) ----------------------------- BOD5...................................... 0.183 0.091 TSS....................................... .274 .137 pH........................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range 6.0 to 9.0. [39 FR 18597, May 28, 1974, as amended at 60 FR 33933, June 29, 1995]