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P <br /> VAPOR EXTRACTION SYSTEM OPERATION <br /> 7-ELEVEN STORE <br /> 9110 THORNTO N AVE. <br /> STOCKTON,CA <br /> Table 1. OVA i��� C C- '1Of S0VAPOR <br /> Date RW.1 MW-1 MW-3+ MW-4 +VP's MW-0 MWA <br /> 1-05 2,400 6,800 900 140 <br /> 1.08 3,200 2,600 600 2,400 12 <br /> 1-10 01,000 01,000 01,000 ----- --- <br /> 1.12 520 850 -- 200 —. <br /> 1.162 * 640 280 360 <br /> 1.19 680 990 --- 200 350 <br /> 1-00 620 650 -- 120 310 <br /> 2-05 440 450 85 240 <br /> 2.26 260 360 --- 5' 130 <br /> 3-07 240 260 — 46 170 <br /> 3-14 160 150 -.. 23 90 <br /> 3-21 110 160 23 81 <br /> 3.27 130 160 - - 25 94 <br /> 4-04b 73 200 - - 12 150 <br /> 4.12 110 150 20 82 <br /> 4-24b 70 170 — 14 120 <br /> 5-01' 72 130 17 65 <br /> - 67 <br /> 5-08 81 115 29 <br /> 5-16 80 110 28 48 <br /> 6-11 21 110 30 -- 72 <br /> 6-19 38 80 — 45 <br /> off 50 <br /> 6-29 32 65 - o <br /> 7-06 32 60 -- 5+ 55 <br /> 7-25 23 80 -- 2.2 40 <br /> 0.08 14 54 — 0.6 18 <br /> 8-14d 20 50 - 0.2 19 <br /> g.23e off 46 _ off 38 <br /> 8-30 off 18 -- off 28 <br /> 9-07 off 18 - off 30 <br /> 9-18 off 18 — off 30 <br /> 10-03 off 16 ND off 32 <br /> *Ground water pump taken out of well with cap for repair. <br /> a MW-4 vapor conduit found blocked,repaired and placed on dedicated <br /> dicot d blower. <br /> Oki VES system wells turned off and only MW-3 left open( ), <br /> b System was off from main circuit breaker which was thrown inside 7-ELEVEN Store. <br /> C MW-3,MW-4,VP-2 and VP-0 placed on blower#3. Blower#4 used to inject air under pressure into <br /> MW-s and WV-9. <br /> d System turned 00 to allow for Soil gas vapor to equilibrate far one week. <br /> °System turned back on and allowed to equilibrate for ten minutes prior to sampling. <br /> VAPOR EXTRACTION TECHNOLOGY. INC, <br />