[Code of Federal Regulations] [Title 40, Volume 27] [Revised as ofJuly 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR471.61] [Page 752-755] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 471--NONFERROUS METALS FORMING AND METAL POWDERS POINT SOURCE CATEGORY--Table of Contents Subpart F--Titanium Forming Subcategory Sec. 471.61 Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT). 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 for the process operations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): (a) Rolling spent neat oils.--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. (b) Rolling contact cooling water. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium rolled with contact cooling water --------------- Cyanide..................................... 1.4 0.586 Lead........................................ 2.05 0.976 Zinc........................................ 7.13 2.98 Ammonia..................................... 651 286 Fluoride.................................... 291 129 Oil and grease.............................. 97.0 58.0 TSS......................................... 200.0 95.0 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (c) Drawing spent neat oils--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. (d) Extrusion spent neat oils--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. (e) Extrusion spent emulsions. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium extruded --------------- Cyanide..................................... 0.021 0.009 Lead........................................ 0.030 0.015 Zinc........................................ 0.105 0.044 Ammonia..................................... 9.59 4.22 Fluoride.................................... 4.28 1.9 Oil and grease.............................. 1.44 0.863 TSS......................................... 2.95 1.4 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (f) Extrusion press hydraulic fluid leakage. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium extruded --------------- Cyanide..................................... 0.052 0.022 Lead........................................ 0.075 0.036 Zinc........................................ 0.260 0.109 Ammonia..................................... 23.7 10.5 Fluoride.................................... 10.6 4.70 Oil and grease.............................. 3.56 2.14 TSS......................................... 7.30 3.47 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [[Page 753]] (g) Forging spent lubricants--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. (h) Forging contact cooling water. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of forged titanium cooled with water --------------- Cyanide..................................... 0.580 0.240 Lead........................................ 0.840 0.400 Zinc........................................ 2.92 1.22 Ammonia..................................... 267 117 Fluoride.................................... 119 52.8 Oil and grease.............................. 40.0 24.0 TSS......................................... 82.0 39.0 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (i) Forging equipment cleaning wastewater. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals forged --------------- Cyanide..................................... 0.012 0.005 Lead........................................ 0.017 0.008 Zinc........................................ 0.059 0.025 Ammonia..................................... 5.33 2.35 Fluoride.................................... 2.38 1.06 Oil and grease.............................. 0.800 0.480 TSS......................................... 1.64 0.780 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (j) Forging press hydraulic fluid leakage. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of refractory metals forged --------------- Cyanide..................................... 0.293 0.121 Lead........................................ 0.424 0.202 Zinc........................................ 1.48 0.616 Ammonia..................................... 135 59.2 Fluoride.................................... 60.1 26.7 Oil and grease.............................. 20.2 12.1 TSS......................................... 41.4 19.7 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (k) Tube reducing spent lubricants--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. (l) Heat treatment contact cooling water--Subpart F--BPT. There shall be no allowance for the discharge of process wastewater pollutants. (m) Surface treatment spent baths. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium surface treated --------------- Cyanide..................................... 0.061 0.025 Lead........................................ 0.088 0.042 Zinc........................................ 0.304 0.127 Ammonia..................................... 27.7 12.2 Fluoride.................................... 12.4 5.49 Oil and grease.............................. 4.16 2.50 TSS......................................... 8.53 4.06 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (n) Surface treatment rinse. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium surface treated --------------- Cyanide..................................... 8.47 3.51 Lead........................................ 12.3 5.84 Zinc........................................ 42.7 17.8 Ammonia..................................... 3,890 1,710 Fluoride.................................... 1,740 771 Oil and grease.............................. 584 351 TSS......................................... 1,200 570 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (o) Wet air pollution control scrubber blowdown. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium surface treated or forged --------------- Cyanide..................................... 0.621 0.257 Lead........................................ 0.899 0.428 Zinc........................................ 3.13 1.31 Ammonia..................................... 285 126 Fluoride.................................... 128 56.5 Oil and grease.............................. 42.8 25.7 TSS......................................... 87.8 41.8 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. [[Page 754]] (p) Alkaline cleaning spent baths. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned --------------- Cyanide..................................... 0.070 0.029 Lead........................................ 0.101 0.048 Zinc........................................ 0.351 0.147 Ammonia..................................... 32.0 14.1 Fluoride.................................... 14.3 6.34 Oil and grease.............................. 4.80 2.88 TSS......................................... 9.84 4.68 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\Within the range of 7.5 to 10.0 at all times. (q) Alkaline cleaning rinse. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium alkaline cleaned --------------- Cyanide..................................... 0.801 0.331 Lead........................................ 1.16 0.552 Zinc........................................ 4.03 1.69 Ammonia..................................... 370 160 Fluoride.................................... 164 72.9 Oil and grease.............................. 55.2 33.1 TSS......................................... 113 53.8 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (r) Molten salt rinse. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium treated with molten salt --------------- Cyanide..................................... 0.277 0.115 Lead........................................ 0.401 0.191 Zinc........................................ 1.40 0.583 Ammonia..................................... 128 56.0 Fluoride.................................... 56.8 25.2 Oil and grease.............................. 19.1 11.5 TSS......................................... 39.2 18.6 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (s) Tumbling wastewater. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium tumbled --------------- Cyanide..................................... 0.229 0.095 Lead........................................ 0.332 0.158 Zinc........................................ 1.16 0.482 Ammonia..................................... 110 46 Fluoride.................................... 47.0 20.9 Oil and grease.............................. 15.8 9.48 TSS......................................... 32.4 15.4 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (t) Sawing or grinding spent neat oils--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. (u) Sawing or grinding of spent emulsions. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium sawed or ground with an emulsion --------------- Cyanide..................................... 0.053 0.022 Lead........................................ 0.077 0.037 Zinc........................................ 0.267 0.112 Ammonia..................................... 24.4 10.7 Fluoride.................................... 10.9 4.83 Oil and grease.............................. 3.66 2.20 TSS......................................... 7.51 3.57 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (v) Sawing or grinding contact cooling water. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium sawed or ground with contact cooling water --------------- Cyanide..................................... 1.38 0.571 Lead........................................ 2.00 0.952 Zinc........................................ 6.95 2.91 Ammonia..................................... 635 279 Fluoride.................................... 283 126 Oil and grease.............................. 95.2 57.1 TSS......................................... 195 92.8 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (w) Dye penetrant testing wastewater. [[Page 755]] Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium tested with dye penetrant methods --------------- Cyanide..................................... 0.325 0.135 Lead........................................ 0.471 0.224 Zinc........................................ 1.64 0.683 Ammonia..................................... 149 65.7 Fluoride.................................... 66.7 29.6 Oil and grease.............................. 22.4 13.5 TSS......................................... 45.9 21.9 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (x) Miscellaneous wastewater sources. Subpart F--BPT ------------------------------------------------------------------------ Maximum for Pollutant or pollutant property Maximum for monthly any 1 day average ------------------------------------------------------------------------ mg/off-kg (pounds per million off-pounds) of titanium formed --------------- Cyanide..................................... 0.010 0.004 Lead........................................ 0.014 0.007 Zinc........................................ 0.048 0.020 Ammonia..................................... 4.32 1.90 Fluoride.................................... 1.93 0.856 Oil and grease.............................. 0.648 0.389 TSS......................................... 1.33 0.632 pH.......................................... (\1\) (\1\) ------------------------------------------------------------------------ \1\ Within the range of 7.5 to 10.0 at all times. (y) Degreasing spent solvents--Subpart F--BPT. There shall be no discharge of process wastewater pollutants. [50 FR 34270, Aug. 23, 1985; 51 FR 2887, Jan. 22, 1986]