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=1116;!K"1111,1111,1,111ligII" <br /> February 8, 1989 <br /> Page 2 <br /> resulting from the holiday season and from attempts to coordinate ' <br /> the removal of the spent carbon canisters under hazardous-waste <br /> manifest with the delivery of fresh carbon canisters lasted until <br /> January 12, 1989. The system was turned on again January 19, <br /> 1989. Field Monitoring Data for the soil ventilation system is <br /> as follows: <br /> ACTIVATED CARBON MONITORING DATA <br /> 9110 THORNTON ROAD <br /> STOCKTON, CALIFORNIA <br /> CONCENTRATION IN AIR <br /> (ppm)* <br /> DATE MONITORING BACK- BLOWER PRE- PRE- TO TO <br /> EQUIPMENT GROUND EFFLUENT FILTER FILTER ATM ATM <br /> 1 $2 #1 *2 <br /> 11/11/88 OVM 580A** 0.6 48 0 0 0 0 <br /> 11/30/88 OVM 580A O.0 37 8 7 0 0 <br /> *ppm = parts per million <br /> ** Thermo Environmental Instruments, Inc. <br /> ATM = Atmosphere <br /> -- . . �, Gkurtip►ea7�.x <br /> Tee"1,x)1 )Gv,INC. <br />