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s <br /> WORK REQ_l1.FS1 FORM <br /> I&B NAME SL/Manteca JOB NUMBER 1@3999- X307 <br />' Store#19976 _---------- �` <br /> SITE ADDRESS 1399 N Main st START DATE 02/18/99 <br /> Manteca CA DATE PREPARED 02/11/99 <br /> PREPARED FOR Field Services PREPARED BY Greg Maso <br /> ARRIVAL TIMEO,-7�5—DEPARTED TECHNICIAN ,Zf- <br />' WORK DESCRIPTION: 1999'Third quarter Groundwater Monitoring and Sampling <br /> SCOPE OF WORK Mondor and Sample 4 wells <br /> 1) This is an active station,introduce yourself and explain your tasks <br /> 2 Monitor DTWproduct thickness and D O in 3 groundwater monitoring wells in the following order <br /> MW-3 2 1 and 1A <br /> Do DTB on all wells.mark MW-1 and 1A on those wells (one is 50ft and the other is 30ft to bottom) <br />' 3 Before purging groundwater,collect dissolved o en readings from each well . <br />' 4 Pump a minimum of 4 well volumes from 4 monitoring wells in the order mentioned in Item 2 <br /> After purging each casing volume, measure and record temp, conductive H and water clanty, <br /> and odor If separate phase hydrocarbons are present,do not urge or collect a water sample <br /> One drums will be sufficient to store the purge water_ BRING IT WITH YOIJ <br /> Label the drums and place it where the Store Manager wants it Locument the location on the site ma <br /> 5 Collect three 40 ml HCI-preserved VOAs from each well <br /> Label the samples and place them on ice in a cooler <br /> 6 Fill out COC and call Core Labs for pick up for analyses BTEX TPH-G with MTBE TBA DIPS ETBE TAME <br />' Use task#6304 on COC (Cali me from the site,when you are done) <br /> i=QUIPMENT NEEDED: FIELD NOTES/ <br />' Health &Safe Site Plan s� fQ <br /> Twice the number of needed 40 ml VOA vials <br /> Disposable bailers <br />' I P purging equipment, <br /> Submersible pump/generator/extension cord <br /> 1 Dream and buckets for decon <br /> Dissolved Oxygen meter <br /> PH,COND and TEMP meter <br /> GENERAL INFORMATION <br /> Direct all questions to Greg Mason or Shelby Lathrop @ (510) 370.3990 <br /> Billing Numbers Monitor& Sample Activities 1034796_307 <br /> Laboratory Invoices Only _103479 -6304 <br /> ROJECT MANAGER Shelby Lathrop AUTHORIZATION <br /> flewkreq wk4 <br />