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{ <br /> ]d[O_RK..RE I EST" FORM <br /> 613 NAME SL/Manteca J08 NUMBER 779956 63070000 <br /> Store # 19976 <br /> SITE ADDRESS 1399 N Main st START DATE 05/18/99 <br /> Manteca CA DATE PREPARED 05/14/99 <br /> PREPARED FOR Field Services PREPARED BY Greg Mas n <br /> ARRIVAL TIME DEPARTED TECHNICIAN <br /> 1 ` <br /> WORK DESCRIPTION: 1999 Second Quarter Groundwater Monitoring and Sampling` <br /> SCOPE OF WORK Monitor and Sample 8 wells <br /> 1) This is an active station, introduce yourself and explain your tasks <br />' 2 Monitor D7W product thickness and DO ,in 4 ro dwater monitoring wells in the followin order <br /> MW-5A 5 4A 4 3 2 1 a6d 1A �-- fk° - <br /> 3 Before purging groundwater, collect dissolved oxygen readings from each well <br /> 4 Pump a minimum of 4 well volumes from 4 m6-6it6tin4 wells in the order mentioned in Item 2 <br /> After nirmin each casing volume, measure arid.tecordrternp, conductivity, pH, and water clanty, <br /> and odor if separate phase hydrocarbons are present, do not purge or collect a water sample <br /> Two drums will be sufficient to store the purgelw@t;gr,�[j3JtING THEM WITH YOU <br /> Label the drums and place it where the Store Manager wants it Document the location on the site ma <br />' S Collect three 40 ml HCI- reserved VQAs f om g2ch e!t <br /> Label the samples and place them on ice in a cooler <br /> V <br /> 6 Fill out COC and call Core Labs for pick up for anal ses BTEX TPH-G with MTBE TBA DIPS ETBE TAME <br /> Use task#6304 on COC (Call me from the sit whdriyo re done) <br /> EQUIPMENT NEEDED` � s 1 xla_' st : FIELD NOTES <br /> Health & Safety Site Plan <br /> Twice the number of needed 40 ml VOA vials <br />=Disposable bailers <br /> Of P purging a ui ment _ <br /> Submersible pump/generator/extension cbrd 4 1 44 <br /> 2 Drums and buckets for decon '=' `r' <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. i=,7,79956x463070000 <br /> Laboratory Invoices Only ' - '` X779956 63070000 <br /> !y <br /> JECT MANAGER Shelby Lathrop AUTHORIZATION <br /> ON <br /> kreq wk4 rs <br />