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Sigma Circuits Inc. , Stockton Division <br /> Main ( Fremont ) Site -- EPA ID# CAD109227496 <br /> Hazardous Waste Inspection -- 11 /13/97 <br /> Responses to Violations <br /> Item Violation Correction <br /> No. Description Noted Response <br /> 12 22CCR66265 . 31 <br /> Area adjacent to solder Minimize all Liquid was removed and <br /> mask stripper tank has releases . When treated . <br /> had a release . Liquid release occurs , <br /> in puddle has pH of 13 . properly remove , Secondary containment <br /> absorb, and/or was designed and <br /> containerize . installed . <br /> 20 22CCR66262 . 34 <br /> Hazardous waste storage Properly label all Labels were corrected <br /> area had three drums with drums . on day of inspection. <br /> incomplete labels . <br /> Operators were re- <br /> trained as to <br /> correctness and <br /> timeliness of label <br /> preparation . <br /> 21 22CCR66265 . 173(a) <br /> Floor absorbent Containerize and Absorbent removed on <br /> ( contaminated ) not label all day of inspection . <br /> containerized ; this is contaminated <br /> in copper plating bath abosorbents . Secondary containment <br /> transfer area. designed and <br /> installed . <br /> 21 22CCR66265 . 173( a) <br /> Half drum of copper Properly keep all Water was removed and <br /> anodes contained liquid containers of placed in waste <br /> with pH of 0 . There was hzardous waste treatment process. <br /> no lid . closed except when <br /> adding or removing Copper anodes were <br /> waste . sent to recycler . <br /> Split drums were <br /> cleaned and destroyed . <br />