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0 • <br /> THIRD QUARTER 1995 SEWER DISCHARGE REPORT <br /> GROUND WATER PUMPING SYSTEM WITH DISCHARGE TO SEWER <br /> 141 N ELDORADO STREET,STOCKTON CA <br /> Monitoring/ Pumping Discharge* Total Discharge Sampling Point Concentrations in micrograms/liter <br /> Sampling Wells to Sewer to Sewer Sewer Discharge <br /> Date (gpm) (gallons) Sampling Constituents Benzene Toluene Ethyl Total TPHg <br /> Comments benzene xylenes <br /> 312/93 RW-1 &RW-2 9 0 <br /> 3/18193 RW 1 &RW-2 7 9 209 608 BTEX TPHg TTO** Metals 16 120 33 120 510 <br /> 418/93 RW 1 &RW-2 76 441 347 BTEX, TPH 17 42 48 180 660 <br /> 4127/93 RW 1 &RW-2 7 5 643 729 BTEX TPHg 19 38 67 220 970 <br /> 5111/93 RW-1 &RW-2 735 790 744 BTEX TPHg 12 42 65 220 830 <br /> 5126/93 RW-1 &RW-2 9 25 973 344 :BTEX,TPHg 18 53 74 270 980 <br /> 6/10193 RW-1 &RW-2 8 42 1 138 621 BTEX TPHg 23 54 98 340 1 300 <br /> 6/23/93 RW 1 &RW-2 858 1,298 466 BTEX TPHg 18 61 95 350 1 300 <br /> 7/6193 RW-1 &RW-2 868 1,459 094 BTEX TPHg 23 47 87 340 1 100 <br /> 7120193 RW-1 &RW 2 8 37 1,632 402 BTEX,TPHg 18 30 71 280 1 400 <br /> 8/3/93 RW-1 &RW-2 9 09 1 813 317 BTEX TPHg 16 31 79 300 1 400 <br /> 8/17193 RW 1 &RW-2 863 1 986 558 BTEX TPHg 14 22 70 260 1,000 <br /> 9/1/93 RW-1 &RW-2 8 99 2 177 825 BTEX TPHg TTO** Metals 21 23 77 1270 1,300 <br /> 9114/93 RW 1 &RW-2 802 2 372 226 BTEX TPHg.,_ 14 20 76 250 1 200 <br /> 10/7/93 RW-1 &RW-2 7 24 2 557 181 BTEX TPHg <br /> 10/21/93 RW-1 &RW-2 9 04 2 734 097 BTEX TPHg 15 19 59 220 1 000 <br /> 1114/93 RW-1 &RW-2 9 61 2 924 149 BTEX TPHij 15 13 61 210 990 <br /> 11/18/93 1 RW-1 &RW-2 9 76 3,119 701 BTEX,TPKg 12 5 4 41 150 650 <br /> 1212/93 RW 1 &RW-2 9 63 3 313 688 BTEX TPHg 7 4 17 43 180 700 <br /> 12/16/93 RW-1 &RW-2 7 71 3,488 163 BTEX TPHq 116 14 94 340 1 500 <br /> 117/94 RW-1 &RW-2 7 09 3,674 510 BTEX,TPHg 10 8 3 61 180 890 <br /> 1/20194 RW-1 &RW-2 698 3,809 030 BTEXTPHg 8 2 4 6 48 140 790 <br /> 312/94 RW-2 338 4 134 847 <br /> 415/94 RW 2 2 34 4 225 965 BTEX TPHfj TTO** Metals 26 63 78 200 1 200 <br /> 7111/94 RIN 1 &RW-2 59 4 476 793 BTEX TPHg 2 4 0 61 <0 5 <0 5 <50 <br /> 8/9194 RW-1 &RW-2 652 4 544 021 <br /> 9/7/94 RW-1 &RW-2 6 42 4 617 157 BTEX TPHg TTO** Metals 21 <0 5 <06 <0 5 <50 <br /> 9/20194 RW-1 &RW-2 5 95 4,669 407 <br /> 12/17/94 RW-2 6 73 5 146 932 BTEX TPHg <0 5 <0 5 <0 5 <0 5 <50 <br /> 3/22195 RW-2 4 51 5 458 182 BTEX TPHg 52 1 6 7 20 170 <br /> 4110/95 RW 2 291 5 539 415 BTEX TPHg TTO** Metals 1 5 <0 5 <0 5 0 57 1<50 <br /> 6120/95 RW-2 302 5 772 087 BTEX TPHg 0 63 <0 5 <0 5 <0 5 79 <br /> 915195 RW-2 1642 6,144 317 BTEX TPHgTTO** Metals 4 4 1 5 5 6 110 1180 <br /> Notes <br /> 1)Ground water recovery system operation commenced on 3/2/93 <br /> 2) Existing soil venting system(SVE)operation commenced on 6/23/93 <br /> 3)Ground water oxygenation system operation commenced on 7111/94 <br /> 4)gpm = gallons per minute <br /> 5)BTEX = benzene,toluene ethylbenzene total xylenes <br /> 6)TPHg = total petroleum hydrocarbons as gasoline <br /> 7) * Ftowmeter reading except where Indicated(except on 5126/93) <br /> 8)TTO = total toxic organics <br /> 9) **TTO concentration less than the permit discharge limit of 4 57 milligrams per iter <br /> 10)Metals Include Cadmium,Chromium Copper Lead Nickel, Silver Zinc <br /> 395$EWE AS <br />