ARCHIVED REPORTS XR0006116 - Laserfiche WebLink

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carbon 44 Shut system off and await laboratory results to istart system for discharge to sewer No discharge to sewer occurred April 8, 2005 Received laboratory report for samples showing effluent meets sewer discharge requirements Start pumping and discharge to sanitary sewer at 13 36 hours Using temporary electrical power from flower store April 11, 2005 System off on arrival Cooper and Sons temporarily turned off power to install service box for electrical from PG&E 28,633 gallons pumped and treated April 19, 2005 System off, LEL alarm Reset and check system, LEL within discharge requirements Obtain sample of discharge to sewer and analyze for TPHg, BTEX and MtBE All analytes are below laboratory lower detection limits April 21, 2005 LEL sensor shows high readings (4-7%) Cooper and Sons, inspect and recalibrate LEL sensor April 26, 2005 Cooper and Sons replace faulty LEL sensor April 27, 2005 City of Stockton digging at intersection of Country Club Blvd and Mission Road for sewer pipeline April 29, 2005 Obtain sewer discharge samples May 10, 2005 Receive laboratory report for samples obtained April 29, 2005 TBA at 7 1 ug/L Turn off discharge and pumping Have laboratory confirm the presence of TBA No further discharge to sanitary sewer, 230314 gallons have been pumped and treated May 14, 2005 Remove #1 carbon unit from system, place #2 carbon unit into #1 position, #3 carbon unit into #2 position, #4 carbon unit into 43 position, clean carbon unit from previous dewater project into #4 position and newly delivered carbon unit into #5 position Start system and obtain effluent sample with out further discharge to sewer Turn system off Sample analyzed for TPHg, BTEX and 5 oxygenants All analytes are below laboratory lower detection limits May 23, 2005 Request for modification of treatment system to remove TBA from effluent 5 Sanchez QM 3`d 2005