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ironex <br />' Client Shaw E &I <br /> 4005 Port Chicago Highway <br /> Concord, CA 94520 <br /> Start Date 3/27/2006 <br /> Completed Date 3/30/2006 <br /> Site Address 515 West Charter Way, Stockton, CA <br /> Protect Name Don Rogers <br /> Protect Scope Collected Membrane Interface Probe logs from 7 boring locations from approximately surface <br /> to as deep as 67 feet to identify a possible submersed petroleum source area <br /> 1 MIP-1 Hand augered to 5 ft bgs by Vironex Stopped at 18 05 ft bgs and 22 37 min into <br /> Protect Information boring due to bad temperature readings Bad MIP Probe No End of Day 1 due to <br /> bad MIP probe Waiting for new probe <br /> MIP-5 FID went out at 26 05 ft bgs, re-lite Stopped at 29 75 ft bgs to fix dampner on <br /> Geoprobe Refusal at 47 ft <br /> MIP-1a Starting with high PID baseline per client request Stopped at 11 75 ft bgs - hit <br /> refusal -cored object out at 11 50 ft bgs Restarted a new boring <br /> MIP - lb Cored out to 15 ft bgs Temperature readings went bad at 31 ft bgs - continued <br /> boring- after by passing thermocoupler <br /> MIP-4 Temperature readings are bad - continued boring after by passing the <br /> thermocoupler Stopped at 30 45 ft bgs - operator needed to put on a respirator <br /> Stopped at 38 5 ft bgs - to take off the probe dampner Refusal at 66 9 ft bgs <br /> No End of Day 2- Detector needed time to reach lower baseline <br /> MIP-2 By passed thermocoupler before starting the boring <br /> MIP-3 Replaced MIP probe membrane - cleared line with methanol Stopped at 23 35 ft <br /> bgs - to trouble shoot pressure increase - found problem at injector port Hit <br /> refusal at 43 55 ft bgs <br />' MIP-6 Stopped at 39 25 ft bgs due to pressure problem No End of Day 3 due to lost <br /> MIP-7 Replaced MIP probe and trunklme before boring No FID data due to instrument <br />' malfunction Bad Temperature readings - by passed thermocoupler Pressure <br /> problems on MIP controller at 11 ft bgs -fixed - resumed boring Refusal at 62 05 <br /> ft bgs No End of Day 4 due to high baselines <br />' 2 of 32 <br /> 1225 East McFadden Avenue • Santa Ana • CA 92705 • USA • Phone 714-647-6290 • Fax 714-647-6291 <br /> San Francisco CA Los Angeles Washington DC Fredericksburg VA Raleigh NC Wilmington DE <br />