[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR461.73] [Page 540-542] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 461--BATTERY MANUFACTURING POINT SOURCE CATEGORY--Table of Contents Subpart G--Zinc Subcategory Sec. 461.73 New source performance standards. (NSPS). (a) The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below: (1) Subpart G--Zinc Oxide Formed Anodes--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of zinc English units--pounds per 1,000,000 pounds of zinc --------------- Chromium.................................... 4.55 1.97 Mercury..................................... 2.82 1.19 Silver...................................... 4.55 1.97 Zinc........................................ 0.87 0.39 Manganese................................... 6.50 4.98 Oil and grease.............................. 216.7 216.7 TSS......................................... 325.0 260.0 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (2) Subpart G--Electrodeposited Anodes--NSPS. [[Page 541]] ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of zinc deposited English units--pounds per 1,000,000 pounds of zinc deposited -------------- Chromium...................................... 45.09 19.54 Mercury....................................... 27.91 11.81 Silver........................................ 45.09 19.54 Zinc.......................................... 8.59 3.86 Manganese..................................... 64.41 49.38 Oil and grease................................ 2,147.00 2,147.00 TSS........................................... 3,220.50 2,576.40 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (3) Subpart G--Silver Powder Formed Cathodes--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver applied English units--pounds per 1,000,000 pounds of silver applied -------------- Chromium...................................... 6.24 2.70 Mercury....................................... 3.86 1.63 Silver........................................ 6.24 2.70 Zinc.......................................... 1.19 0.53 Manganese..................................... 8.91 6.83 Oil and grease................................ 297.00 297.00 TSS........................................... 445.5 356.40 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (4) Subpart G--Silver Oxide Powder Formed Cathodes--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver applied English units--pounds per 1,000,000 pounds of silver applied --------------- Chromium.................................... 4.17 1.81 Mercury..................................... 2.58 1.09 Silver...................................... 4.17 1.81 Zinc........................................ 0.79 0.36 Manganese................................... 5.96 4.57 Oil and grease.............................. 198.5 198.5 TSS......................................... 297.8 238.2 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (5) Subpart G--Silver Peroxide Cathodes--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver applied English units--pounds per 1,000,000 pounds of silver applied --------------- Chromium.................................... 1.00 0.43 Mercury..................................... 0.62 0.26 Silver...................................... 1.00 0.43 Zinc........................................ 0.19 0.09 Manganese................................... 1.43 1.09 Oil and grease.............................. 47.6 47.6 TSS......................................... 71.4 57.1 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (6) Subpart G--Nickel Impregnated Cathodes--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of nickel applied English units--pounds per 1,000,000 pounds of nickel applied -------------- Chromium..................................... 42.0 18.2 Mercury...................................... 26.0 11.0 Nickel....................................... 42.0 18.2 Silver....................................... 42.0 18.2 Zinc......................................... 8.0 3.6 Manganese.................................... 60.0 46.0 Oil and grease............................... 2,000.0 2,000.0 TSS.......................................... 3,000.0 2,400.00 pH........................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (7) Subpart G--Miscellaneous Wastewater Streams--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of cells produced English units--pounds per 1,000,000 pounds of cells produced --------------- Chromium.................................... 0.27 0.12 Cyanide..................................... 0.039 0.016 Mercury..................................... 0.17 0.07 Nickel...................................... 0.27 0.12 Silver...................................... 0.27 0.12 Zinc........................................ 0.05 0.02 Manganese................................... 0.39 0.30 Oil and grease.............................. 12.90 12.90 TSS......................................... 19.35 15.48 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (8) Subpart G--Silver Etch--NSPS. [[Page 542]] ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver processed English units--pounds per 1,000,000 pounds of silver processed -------------- Chromium...................................... 1.56 0.68 Mercury....................................... 0.97 0.41 Silver........................................ 1.56 0.68 Zinc.......................................... 0.30 0.13 Manganese..................................... 2.23 1.71 Oil and grease................................ 74.40 74.40 TSS........................................... 111.60 89.28 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (9) Subpart G--Silver Peroxide Production--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver peroxide produced English units--pounds per 1,000,000 pounds of silver peroxide produced -------------- Chromium...................................... 1.66 0.72 Mercury....................................... 1.03 0.44 Silver........................................ 1.66 0.72 Zinc.......................................... 0.32 0.14 Manganese..................................... 2.37 1.82 Oil and grease................................ 79.10 79.10 TSS........................................... 118.65 94.92 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 at all times. (10) Subpart G--Silver Powder Production--NSPS. ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ Metric units--mg/kg of silver powder produced English units--pounds per 1,000,000 pounds of silver powder produced -------------- Chromium...................................... 0.67 0.29 Mercury....................................... 0.42 0.18 Silver........................................ 0.67 0.29 Zinc.......................................... 0.13 0.06 Manganese..................................... 0.96 0.74 Oil and grease................................ 32.10 32.10 TSS........................................... 48.15 38.52 pH............................................ (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the limits of 7.5-10.0 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.