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W-OSK-RE_QUEST FORM <br /> • JOB NAME SL1Tracy JOB NUMBER 02070-0456-6507 <br /> Store#20304 <br /> SITE ADDRESS 455 Grant Line Rd START DATE 05/14/97 <br /> Tracy, CA DATE PREPARED 05/02/97 <br /> PREPARED FOR Jaff Auchterlonie PREPARED BY Bruce Beale <br /> WORK DESCRIPTION 1997 Second Quarter Groundwater Monitoring and Sampling <br /> SCOPE OF WORK <br /> 1) Check in with store manager <br /> 2) Monitor DTW , DTB (in the wells to be sampled in#3) and product thickness in 11 groundwater <br /> monitoring wells and 3 extraction wells in the following order MW-4, 6,2, 3, 11, 5, 15, GWE-1, <br /> MW-1, GWE-3,GWE-2, MW-8, 9, and 10 <br /> 3) Purge a minimum of 4 well volumes from 5 wells,MW-4, 5, 8, 9, and 10 <br /> After purging each casing volume, measure and record temp, conductivity, pH, and water clarity, <br /> and odor If separate phase hydrocarbons are present, do not purge or collect a water sample <br /> Use the poly tank to store purgewater,then tranfer the water into the batch tank <br /> Pump the purgewater through the system <br /> • 4) Collect three 40 ml HCI-preserved VOA vials from each well mentioned in Item 3 <br /> Label the samples and place them on ice in a cooler <br /> 5) Fill out COC and transport samples to GTEL for analyses BTEX, TPH-G with MTBE <br /> Use task#6504 on COC <br /> Remediation System Status, Arrival On Off <br /> Depart On Off <br /> s <br /> EQUIPMENT NEEDED- <br /> Health&Safety Site Plan <br /> Twice the number of needed 40 ml VOA vias and disposable bailers for sample collection <br /> I P , purging equipment, Hydsc-9"water meter to measure pH, conductrnty, and temperature <br /> 4 S I 3,5'6t> <br /> GENERAL INFORMATION <br /> Direct all questions to Bruce Beale or Jaff Auchterlonie @ (916) 372-4700 <br /> Billing Numbers Monitor& Sample Activities 02070-04SM507 <br /> Laboratory Invoices Only 02070-0456-8504 <br /> PROJECT MANAGER Jaff Auchterlonie AUTHORIZATION <br /> . file wkreq wk4 <br />