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WQRK-RFQjjFSTEQW <br /> q&B NAME SL/Stockton JOB NUMBER 102483-Bae?- <br /> Store#20632 <br /> SITE ADDRESS 4627 Davinci Drive START DATE 01/17/99 <br /> Stockton, CA _ DATE PREPARED 01/11/99 <br /> TECH NAME PREPARED BY Greg Mason <br /> ARRIVAL TIME DEPATURE TIME io <br /> WORK DESCRIPTION: 1999 Ffrst Quarter Groundwater Monitoring and Sampling <br /> SCOPE OF WORK Monitor and Sample 5 wells <br />' 1} Check to with the store manager <br /> 2 Monitor DTW DTBproduct thickness and D O in 4 groundwater monitoring wells in the following order _ <br />' MW-1,2, 3,4, and 5 (5 IS A NEW WI=LL) <br /> 3 Pump a minimum of 4 well volumes from 5 monitoring wells in the order mentioned in Item 2 _ <br />' After purging each casing volume measure and record temp. conductivity, pH, and water clanty, _ <br /> and odor If separate phase hydrocarbons are present,do not puqge or collect a water sample <br />' One drum will be sufficient to store the purge water (Bring an extra drum with you) _ 14lw�g <br /> Label the drums and place them at the back of the store against the-building <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 drop off at Acculabs for anal es BTEX TPH-G with MTBE ETRE DIPS TAME and TBA _- <br />' Use task# 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 teeter to measure pH, conductivity, and temperature __ <br /> Submersible pump/generator/extension cord <br /> 1 Drum <br />' Decon Eqwptment <br /> GENERAL INFORMATION <br /> Direct all questions to Greg Mason or Shelby Lathrop @ (510_) 370-3990 <br /> Billing Numbers Monitor& Sample Activities 102483-6307 <br /> Laboratory Invoices Only 102483_6304 <br /> PJECT MANAGER Shelby Lathrop AUTHORIZATION <br /> tewkreqwk4 <br /> 1 <br />