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JULY 1993 SEWER DISCHARGE REPORT _ <br /> GROUND WATER PUMPING SYSTEM WITH DISCHARGE TO SEWER _ <br /> C M WEBER ENTERPRISES <br /> 141 N EL DORADO STREET,STOCKTON CA <br /> AVERAGE WATER DISCHARGE TO SEWER FOR JULY 1993 8 5 GPM <br /> Monitonn i Time Ground Pumping Discharge' Total" Total Dischar a Sampling Point Concentrations in micrograms/liter <br /> Sam lin Water Wells to Sewer Flowmeter to Sewer Sewer Discharge <br /> I Date System ( m) Heading I allonsl Sampling Constituents Benzene Toluene Ethyl Total TPHg <br /> Status (gallons) benzene xylenes <br /> 3!2193 ON RW 1 &RW 2 9 0 <br /> 3!18193 ON RW 1 &RW 2 79 209 608 209 608 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 f343 729 BTEX TPH 19 38 67 220 970 <br /> 5111193 10 30 AM ON RW 1 &RW 2 7 35 790 744 790 744 BTEX TPHg 12 42 65 220 830 <br /> 5!26193 5 10 PM ON RW 1 &RW 2 9 25" (Flowmeter 973 344i 1" STEX TPHg 18 53 74 270 980 <br /> battery dead) <br /> 6110193 10 50 AM ON RW 1 & RW-2 8 42 (battery 1 138 621 BTEX TPH 23 54 98 340 1 300 <br /> r.o—d @ <br /> 104000 AM <br /> total-0) <br /> 8123193 8 53 AM ON RW 1 & RW 2 B 58 159 845 1 298 486 BTEX TPH 18 61 95 350 1 300 <br /> (battery — <br /> replaced <br /> at 863 AM <br /> total -01 <br /> V71201913 <br /> 3 3 30 PM ON RW 1 &RW 2 Beg 160 628 1 459 094 BTEX TPH 23 47 87 340 1 100 <br /> 2 (see attached laboratory raportl <br /> 11 10AMF ON RW 1 &RW 2 837 —333936 BTEX TPHg is 30 71 280 1 400 <br /> (see attached laboratory reportl <br /> Notes - <br /> Ground water recovery system operation commenced on 3!211993 F <br /> Existing soil venting operation commenced on 6/23/1993 after replacement of activated carbon <br /> gpm = gallons per mmttte <br /> " <br /> Flowmeter/totalizer reading <br /> "'Pumping rate calculated b "bucket and stopwatch method leverage 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 /> "'Corrected time of battery replacement Incorrectly reported as 8 53 AM in June 1993 report <br /> BTEX = benzene toluene ethylbenzene total xylenes <br /> TPHg = total petroleum hydrocarbons as gasoline _ <br /> TTO = total toxic organics <br /> I <br /> 793SEWER xis <br />