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i • • <br /> 69'ASEWEK XLS <br /> JUNE 1993 SEWER DISCHARGE REPORT _ <br /> e <br /> _ GROUND WATER PUMPING SYSTEM WITH DISCHARGE TO SEWER <br /> C M WEBER ENTERPRISES <br /> 141 N ELDORADO STREET STOCKTON CA <br /> AVERAGE WATER DISCHARGE TO SEWER FOR JUNE 1993 8 5 OPM <br /> Monitoring/ Time Ground Pumping Discharge* Total' Total Discharge Sampling Point Concentrations in microgramsiliter <br /> Sampling Water Wells to Sewer Flowmeter to Sewer Sewer Discharge <br /> Date System (gpm) Reading {gallons) Sampling Constituents Benzene Toluene Ethyl Total TPHg <br /> Status lgallons) benzene xylenes <br /> 312193 ON RW 1 & RW-2 9 0 <br /> 3118193 ON RW 1 & RW 2 7 9 209,608 209,608 BTEX TPHg, TTO 16 20 33 120 510 <br /> Total Cadmium Copper <br /> Lead, Nickel, Silver, Zinc <br /> 418193 ON RW 1 & RW 2 76 441,347 441,347 BTEX, TPHg 17 42 48 180 660 <br /> 4127193 4 30 PM ON RW 1 & RW 2 7 5 643,729 643,729 BTEX, TPHg 19 38 67 220 970 <br /> 5111193 10 30 AM ON RW i & RW-2 735 -790,7441 790,744 BTEX, TPHg 12 42 65 220 830 <br /> 5126193 5 10 PM ON RW i & RW 2 9 25"* IFlowmater 973344... BTEX, TPHg 18 53 74 270 980 <br /> battery dead) <br /> 6110193 10 40 AM ON RW-1 &RW-2 8 42 (battery 1,138,621 BTEX TPHg 23 54 98 340 1 300 <br /> Pq"C a a (see attached laboratory report) <br /> 863 AM <br /> total=0) <br /> 6123193 8 53 AM ON RW-1 &RW-2 858 159 845 1 298 466 BTEX, TPHg 18 61 95 350 1 300 <br /> Isee attached laboratory retort) <br /> i <br /> Notes <br /> Ground water recovery system.operation commenced on 3/2/1993 <br /> Existing soil venting operation commenced on 6123/1993, after replacement of activated carbon <br /> gpm = gallons per minute <br /> • Flowmeterltotalizer reading <br /> •'Pumping rate calculated by "bucket and stopwatch method" (average of 6 trials to fill up a 5 gallon bucket) <br /> •"Battery on flow meter dead Battery will be replaced during next site visit Total discharge calculated by averaging pumping rates on 5111 and 5126193 <br /> BTEX = benzene, toluene, eth (benzene, total xylenes <br /> TPHg = total petroleum hydrocarbons as gasoline <br /> TTO = total toxic organics <br /> Page 1 <br />