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s <br /> W_ -OR- K_REQUESZF_ORM <br /> JOB NAME SL/Stockton JOB NUMBER 779950-63070000 <br /> Store# 17334 <br /> ' SITE ADDRESS 4501 N Pershing Ave START DATE 05/21/99 <br /> Stockton, CA DATE PREPARED 05/18/99 <br /> TECH NAME �� �� r L PREPARED BY Greg Mason <br /> ' ARRIVAL TIME L C C'`�vi r <br /> (JEtARTURE TIME <br /> WORK DESCRIPTION 1999 Second Quarter Groundwater Monitoring and Sampling <br /> SCOPE OF WORK Monitor and Sample 6 wells <br /> 1) Check in with the store manager <br /> 2L_ Monitor DTW DT8 dissolved oxygen and product thickness in 5 groundwater monitoring wells in the following <br /> order MW-3, 2, 4, 5a and 5b <br /> ' 3 Pump a minimum of 4 well volumes from the 6 monitoring wells <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 /> \14rtr drum will be sufficient to store the purge water BRING IT WITH YOU and an extra one <br /> Label the drum and place it in a location acceptable with the store manager and accessible for the waste haule <br /> ' 4 Collect three 40 ml, HCI-preserved VOAs from each well <br /> Label the samples and place them on ice in a cooler <br /> 5 Fill out COC and call Core to pick up for analyses BTEX, TPH,G, MTBE, TBA, DIPS, ETBE, <br /> and TAME Use task#6304 on COC <br /> ' EQUIPMENT NEEDED <br /> Health & Safety Site Plan <br /> Twice the number of needed 40 ml VOA vias <br /> ' Disposable bailers <br /> I P purging equipment, YSI 3500 water meter to measure pH, conductivity, D O and temperature <br /> Submersible pump/generator/extension cord <br /> ' 1 Drum <br /> Decon Equipment <br /> GENERAL INFORMATION <br /> ' Direct all questions to Greg Mason or Shelby Lathrop @ (5 10) 370-3990 <br /> Billing Numbers Monitor& Sample Activities 779950-63070000 <br /> Laboratory Invoices Only 779950-63040000 <br /> PROJECT MANAGER ShelbyLathrop <br /> p AUTHORIZATION <br /> Ile wkreq wk4 <br />