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<br /> TABLE 4
<br /> ANALYTICAL RESULTS OF TREATMENT WATER SAMPLES
<br /> Pacific Mini Mart - 4511 Pacific Avenue, Stockton, California
<br /> Volatile aromatic compounds(EPA 8020) Ph/
<br /> TPH-d TPH-g ug/I METALS
<br /> Sample Date total (EPA (EPA EPA 624 EPA 625 EPA
<br /> ID gallons 8015m) 8015m) Ethyl- (µgll) (µgll) 1501
<br /> mg/l mgll MTBE Benzene Toluene Xylenes EPA 200
<br /> benzene m /l
<br /> 11-13-01 126,250 1,900 9,200 2,100 830 140 300 1,300 - -- --
<br /> 12-10-01 229,539 1,100 8,000 11200 750 130 420 1,400 - -- 7 16/<O 1
<br /> 01-14-02 353,756 900 11,000 780 490 90 250 1,100 - -- --
<br /> 02-11-02 422,868 1,100 8,400 660 490 110 350 1,300 - -- -
<br /> 03-20-02 597,342 1,400 6,700 540 380 160 310 1,200 - -- --
<br /> I
<br /> 04-22-02 654,441 1,100 5,500 370 300 120 290 990 -- --
<br /> Influent 05-13-02 737,200 - 3,300 300 48 14 <5 0 670 - -- --
<br /> 06-05-02 879,339 - 5,600 360 320 89 230 1,200 -- --
<br /> 07-15-02 957,470 - 2,800 200 160 19 130 390
<br /> 08-15-02 1,017,550 1,200 2,100 270 250 40 57 350 - - 7 0
<br /> 09-19-02 1,122,163 430 1,300 380 140 14 4 8 170 - - -
<br /> 10-18-02 1,167,564 - 2,600 230 280 29 160 240 -
<br /> 11-25-02 1,207,174 400 990 190 130 8 8 31 110 - - -
<br /> 12-16-02 1,315,454 1,200 1,100 240 220 21 30 150 - - -
<br /> 01-14-03 1,332,062 360 170 210 <5 0 <5 0 <5 0 <5 0 - -
<br /> 02-13-03 1,364,200 630 2,600 290 270 21 21 290 - -
<br /> 03-10-03 1,391,899 560 2,500 250 320 24 10 310 - - -
<br /> 11-13-01 - 72 <50 1,600 071 <0 5 <0 5 <0 5 - -- --
<br /> Mid- 01-14-02 - <50 <50 890 <0 5 <0 5 <0 5 <0 5 -- -- --
<br /> treatment
<br /> 02-11-02 - - <50 <5 0 <0 5 <0 5 <0 5 <0 5 -- -- -
<br /> 05-13-02 - <50 - <5-0 <0 5 <0 5 <0 5 <0 5 -- -
<br /> Notes mets.} tertiary butyl ether MTBE
<br /> µg/1 micrograrn.i per liter
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