Laserfiche WebLink
TABLE 10 <br /> AIR SPARGING/VAPOR-EXTRACTION TEST <br /> TPHg and BENZENE ANALYTICAL RESULTS OF VAPOR SAMPLES <br /> ARCO Service Station No 2130 <br /> 7906 North E{ Dorado Street <br /> Stockton, California <br /> October 12, 1992 AS-1 MS-1 MS-2 MS-3 W-3 QS 0E Time <br /> TPHg 3,400 4,000 33,000 74,000 -- 12 0 1 35 <br /> Benzene 33 60 1,200 1,400 -- <br /> TPHg 6 600 -- 1,800 -- -- 21 0 4 30 <br /> Benzene 120 -- 150 -- -- <br /> Distance from <br /> AS-1 (ft } 0 9 9 19 5 17 8 <br /> October 13, 1992 AS-1 MS-1 MS-2 MS-3 W-3 OS OE Time <br /> TPHg 3 000 12 000 16,000 23,000 35 000 0 0 10 30 <br /> Benzene 170 480 540 1,500 610 <br /> TPHg 4,800 22,000 1,500 _ 38,000 20 192 15 30 <br /> Benzene 580 1,300 100 1,000 <br /> i <br /> Distance from <br /> AS-1 (ft ) 0 9 9 19 5 17 8 <br /> Notes <br /> Results in mg/1133 <br /> 0S = Air sparge flow rate (ACFM) at time of sampling <br /> Vapor-extraction flow rate (ACFM) at time of sampling <br /> A FM = Actual cubic feet per minute <br /> 30003-8 <br />