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ALLTECH PETROLEUM SERVICES <br />17759 Buttercup Circle, ,Sonora, CA 95370 <br />(209) 532-7320 / Fax (209) 533-2650 / mdottenCkmlode.com <br />California Tank Tester: 98-1068 California Contractor: A 623541 <br />ALERT UNDERFILL TANK TEST DATA SHEET <br />Facility: Get -N -Go Mart Date: 1/21/98 <br />Address: 574 Grant Line Rd. <br />City: Tracy, CA 95376 <br />Facility contact: Mr. Singh <br />(172) Tank ID: Center Product: Plus Gallons: 8,000 <br />Tank bottom: 144" Subtract fillpipe length: 49" = Tank Diameter: 955" <br />Product level: 64" Tank water: 0" Backfill: 66" SGU: 0.730 <br />Load cell: # 2 Probe: 28 Powerlogger: 2 Battery: 8.69 vdc <br />Probe weight: 81b. 00oz. = 3632 gams <br />Subtract empty probe weight: - 2100 gams <br />Ballast to add: =1532 rams <br />Tank contains 5733 gallons = 72% full. (65%-9501o) Tare value: 47% <br />Product pressure at tank bottom: 1.66 psi. <br />Stabilization time from delivery to start of test: >24 Hours. (1 hr. Minimum <br />Data collection began: 1200 Hours 1/21 <br />Data collection ended: 2000 hours 1/21 <br />Total: 8.0 hours data collection. <br />Quiet time began: 1300 hours 1/21 <br />Quiet time ended: 1500 hours 1/21 <br />Total: 2.0 hours quiet time. (2 lir. minimum <br />Filter bandwidth: 100 Disregard hours front: 0.0 Disregard hours rear: 0.0 <br />Test time: 5.0 hours. (2 hr. minimum <br />Final Dv/D: -4-0.044 GPH. (see graph) <br />® Pass ❑ Fail <br />Ullade test: Test Method: Alert 1050X (lacuum) ® Pass ❑Fail <br />Initial pressure: -1.50 psi. Final pressure: -1.45 psi. (1.10 minimum <br />Remarks: NitroLen pressure of 2.5 -psi held on tank (durino quiet time) to <br />compensate for water table. Water table was measured in a monitoring well <br />at the BP station on the other side of Tracy Blvd. <br />'Fest technician -- GQDpv�;: Mike Dotten, license#98-1068 <br />