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WORK REQUEST FORM <br /> JOB NAME SL/Tracy JOB NUMBER 102480 6507 <br /> Store#20304 <br /> SITE ADDRESS 455 Grant Line Rd START DATE 05/15198 <br /> Tracy,CA DATE PREPARED 05/14/98 <br /> PREPARED FOR Field Services PREPARED BY Greg Mason <br /> iNORK DESCRIPTION, 9098,Second Quarter GraundwaforMonitorin'g acid 8arnpling <br /> SCOPE OF WORK Mondor 11 and sample 3 wells <br /> 1) Check in wdh store manager <br /> 2) Mondor DTW,DTB, and product thickness in 11 groundwater mondoring wells and 3 extraction wells <br /> in the following order MW-4,6,2,3, 11, 5, 15,GWE-1,MWA,GWE-2 and MW-16 (new well) <br /> 3) Priorto purging groundwater,dissolved oxygen measurements are needed in the 11 wells mention <br /> Purge a minimum of 4 well volumes from 3 wells MW-4,5, 16 <br /> Purge a minimum of 10 well volumns from MW-16 <br /> Afterpurgina each casing volume measure and record temp,conductivrty, pH,and water cla <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(approx 35 gallons),then transfer the water into the batch tank <br /> Bring a drum to store purge water in. _...__ <br /> 4 Collect three 40 ml HCI-preserved VOA orals 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 mail samples_t_o_Core for analyses BTEX,TPH-G,MTBE,TBA, DIPS, ETRE and TAME <br /> Use task#6504 on COC <br /> Remediation System Status, Amval On Off <br /> Depart On Off <br /> jn <br /> St n Y r J v!♦ 1n rn r r n} ry rvmr rn rr r r r n r <br /> Health&Safety Sde Plan <br /> Twice the number of needed 40 ml VOA vias and disposable bailers for sample collection <br /> I P , purging equipment,YSI 3500 water meter to measure pH, conductivity,and temperature <br /> Please check the integrity and safety of the vault lids and assure you are using adequate traffic control <br /> Cones ll <br /> }GF-N0"t CNF0RMA*I0 <br /> ,�r 4 <br /> Direct all questions to Greg Mason or Shelby Lathrop (510)370-3990 <br /> Billing Numbers Mondor&Sample Activities 102480-6507 <br /> Laboratory Invoices Only 102480-6504 <br /> PROJECT MANAGER Shelby Lathrop AUTHORIZATION <br /> file,wkreq wk4 <br /> ,s. <br />