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<br />Pioneer Metal Finishing, LLC Industrial Wastewater Discharge Permit page 1 of 42 <br />Facility Description <br /> <br />Pioneer Metal Finishing is classified as a Categorical Industrial User (CIU) as defined in the South Bend <br />Municipal Code. Specifically, Pioneer Metal Finishing is classified as a metal finisher covered by 40 CFR 433.17 <br />(PSNS) due to both the anodizing, chem film, and the electroless nickel plating. Pioneer also conducts <br />masking/painting. Pioneer is a job shop. Raw materials and chemicals used in these processes include customer <br />supplied parts, sulfuric acid, nitric acid, hydrochloric acid, caustic soda, nickel acetate, Teflon, organic dyes, <br />alodine, alkaline soaps, and electroless nickel solution. <br /> <br /> <br />PART I – EFFLUENT LIMITATION <br /> <br />A. Sample Port and Collection Location <br /> <br />1. Sample Site Outfall #323 B is located inside the main facility after the indoor final weir tank on <br />the west wall of the wastewater treatment room. Wastewater flows through the weir tank for <br />flow measurement prior to discharge. Grab samples are collected from the flow out of the weir <br />tank, and 24 hour composite samples are collected from the discharge pipe after the weir tank. <br /> <br />The location of Sample Site Outfall #323 A is an outdoor manhole on the west side of the building <br />and south of the outside door to the production area. Effluent Limitations are in effect for Outfall <br />#323 A and will be sampled if the City deems it necessary. <br /> <br />2. Any discharge of water or waste having a pH lower than 6.0 S.U. or a pH higher than 11.0 S.U. <br />is prohibited. In addition, the permittee’s wastewater discharge shall not exceed the following <br />effluent limitations: <br /> <br /> Effluent limitations for Sample Site Outfall # 323A & #323B: <br />Parameter Daily Maximum Limit (mg/L) Monthly Average Limit (mg/L) <br />Arsenic (mg/L) 1.0 0.3 <br />Cadmium (mg/L) Report* Report* <br />Chromium (mg/L) 2.70 1.66 <br />Copper (mg/L) 3.29 1.2 <br />Cyanide (mg/L) 1.17 0.63 <br />Lead (mg/L) 0.67 0.42 <br />Mercury (mg/L) 0.00019 -na- <br />Nickel (mg/L) 3.87 1.2 <br />Oil and grease (mg/l) 300 -na- <br />Oil and Grease TPH (mg/l) 100 -na- <br />Silver (mg/L) Report* Report* <br />TTO (mg/l) 2.07 -na- <br />Zinc (mg/l) 2.61 1.48 <br />