Laserfiche WebLink
m <br /> fA � <br /> l-� a <br /> r <br /> quarterly Status Report <br /> Beacon Station 492 - Manteca, California <br /> Page 2 <br /> 21M_MAR Of HISU RTER'S A T VI IE'° performed at the site on <br /> Quarterly ground-v:ater monitoring was p <br /> March 29, 1991. <br /> Depth-t0-water measurements <br /> ground-watermonitoring <br /> samples were collected from the three <br /> wells at the site. <br /> RESULT OF UA TERLY MONITORING: <br /> Depth-to-water measurementsshow the elevation wellsto <br /> e water <br /> be <br /> surface in the three ground-water monitoring <br /> within 0.01400t of eachother. The potent.ometric surface <br /> remains essentially flat. <br /> Ground-water analyses show all three wells to have <br /> nondetectable TPHg and BTEX concent al limit was X20.0eppb. <br /> n <br /> limits were 0.5 ppb and the TPFlg <br /> PROPOSED ACTIVITY ORWORK FOR NExT UARTER; <br /> ESTIMATED COMPLETION DATE <br /> A_CTIIdITY <br /> Perform 2nd quarter 1991 ground-water June 30, 1991 <br /> monitoring <br /> Meet with San Jaoquin County and the June 26, 1991 <br /> CRWQCB to discuss site <br /> Acquire air permit to reinstate <br /> vapor extraction remediation July 15, 1991 <br /> utilizing zatalytic oxidate m <br /> - s <br /> �n1s��iR�1111®®114� _ <br />