[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR461.31] [Page 521-523] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 461_BATTERY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart C_Lead Subcategory Sec. 461.31 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). (a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available: (1) Subpart C--Closed Formation--Double Fill, or Fill and Dump. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.86 0.45 Lead.......................................... 0.19 0.090 Iron.......................................... 0.54 0.27 Oil and grease................................ 9.00 5.40 TSS........................................... 18.45 8.78 pH............................................ (1) (1) ------------------------------------------------------------------------ 1 Within the range of 7.5 to 10.0 at all times. [[Page 522]] (2) Subpart C--Open Formation--Dehydrated. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 20.99 11.05 Lead.......................................... 4.64 2.21 Iron.......................................... 16.13 6.74 Oil and grease................................ 221.00 132.60 TSS........................................... 453.05 215.47 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (3) Subpart C--Open Formation--Wet. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.10 0.05 Lead.......................................... 0.02 0.01 Iron.......................................... 0.06 0.03 Oil and grease................................ 1.06 0.64 TSS........................................... 2.17 1.03 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (4) Subpart C--Plate Soak. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.040 0.020 Lead.......................................... 0.009 0.004 Iron.......................................... 0.030 0.010 Oil and grease................................ 0.420 0.250 TSS........................................... 0.860 0.410 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (5) Subpart C--Battery Wash (with Detergent). BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 1.71 0.90 Lead.......................................... 0.38 0.18 Iron.......................................... 1.08 0.55 Oil and grease................................ 18.00 10.80 TSS........................................... 36.90 17.55 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (6) Subpart C--Battery Wash (Water Only). BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 1.12 0.59 Lead.......................................... 0.25 0.12 Iron.......................................... 0.71 0.36 Oil and grease................................ 11.80 7.08 TSS........................................... 24.19 11.51 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (7) Subpart C--Direct Chill Lead Casting. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.00040 0.00020 Lead.......................................... 0.00008 0.00004 Iron.......................................... 0.00020 0.00010 Oil and grease................................ 0.00400 0.00200 TSS........................................... 0.00800 0.00300 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (8) Subpart C--Mold Release Formulation. [[Page 523]] BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.011 0.006 Lead.......................................... 0.002 0.001 Iron.......................................... 0.007 0.004 Oil and grease................................ 0.120 0.072 TSS........................................... 0.246 0.117 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (9) Subpart C--Truck Wash. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead in trucked batteries English units--pounds per 1,000,000 pounds of lead in trucked batteries -------------- Copper........................................ 0.026 0.014 Lead.......................................... 0.005 0.002 Iron.......................................... 0.016 0.008 Oil and grease................................ 0.280 0.168 TSS........................................... 0.574 0.273 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (10) Subpart C--Laundry. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.21 0.11 Lead.......................................... 0.05 0.02 Iron.......................................... 0.13 0.07 Oil and grease................................ 2.18 1.31 TSS........................................... 4.47 2.13 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (11) Subpart C--Miscellaneous Wastewater Streams. BPT Effluent Limitations ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of lead used English units--pounds per 1,000,000 pounds of lead used -------------- Copper........................................ 0.81 0.43 Lead.......................................... 0.18 0.09 Iron.......................................... 0.51 0.26 Oil and grease................................ 8.54 5.12 TSS........................................... 17.51 8.33 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above. [49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984]