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Mr Daniel K Barber <br /> D K Barber& Associates <br /> June 21, 2002 <br /> Page 4 of 5 <br /> Table 1 <br /> Phototonuzation Detector(PID) Field Readings <br /> ' Western Oil and Spreading Acamp Plant Site, <br /> Woodbridge Road and Highway 99, Lodi, California <br /> Location Date Sample Depth (ft) -PID(ppmv) <br /> D-1 6/5/02 5, 10, 15 ND <br /> D-1 6/5/02 20 (refusal below 20) 110 <br /> MW-2 6/6/02 5 ND <br /> MW-2 6/6/02 10 37 <br /> MW-2 6/6/02 15 70 <br /> MW-2 6/6/02 20,25 ND <br /> MW-2 616/02 30 28 <br /> MW-2 616102 40 50 <br /> MW-2 6/6102 45, 50, 55,60 ND <br /> MW-3 616/02 5 to 60,every 5 feet ND <br /> MW-4 6/6/02 25 720 <br /> MW-4 6/6/02 30 1020 <br /> ' MW-4 6/6/02 35 130 <br /> MW-4 6/6/02 40,45, 50,55, 60 ND <br /> MW-5 6/7/02 5, 10, 15,20 ND <br /> MW-5 6/7102 20 0 6 <br /> MW-5 6/7/02 25,30,35,40,45 ND <br /> MW-5 6/7/02 50 0 9 <br /> MW-5 6/7/02 55,60 ND <br /> D2/M W-6 6/7/02 5 ND <br /> D2/MW-6 6/7102 10 0 6 <br /> D2/MW-6 6/7/02 15 to 60,every 5 feet ND <br /> D3 617/02 5 to 60,every 5 feet ND <br /> Notes <br /> PID reading ofppmv generally equivalent to ppm ND--Not Detectable(meter at 0 0) <br /> ' The wells were constructed to accordance with California Environmental Protection <br /> Agency (Cal/EPA) guidelines for sampling dissolved petroleum products in groundwater <br /> The wells were not anticipated to be used for groundwater extraction, and were therefore <br /> Stellar Environmental Solutions <br />