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❑❑ GROUNDWATER <br /> TECHNOLOGY, INC. 4ORA PikeLane,SuiteD,Concord,CA94a2ny15i671.2367 <br /> Fax:(415)685-9148 <br /> July 6, 1989 <br /> Job No. 203 475 2894.02 <br /> Mr. Hal Miller <br /> Southland corporation <br /> 5820 Stoneridge Mall Road <br /> Suite 310 <br /> Pleasanton, CA 94566 <br /> Re: Southland Station #20680, 9110 Thornton Road, Stockton, <br /> California, Monthly Update of Air Permit Compliance, <br /> Permit Nos. 86-82a, 85-83, Juni 1989. <br /> Dear Mr. Miller: <br /> This letter report presents an update for Air Permits 86-82a and <br /> 86-83, for the month of June 1989. The conditions itemized in <br /> the Permits to operate are addressed below. <br /> As per condition 1 in Permits 86-82a and 86-83, the total <br /> nunmethare on-site hydrocarbon emissions (total air stripping <br /> plus soil-vapor r:xtraction system) was less than 0.000001 <br /> lbs/day, which is relow the permit maxir.'tm of 4.7 lbs/day (See <br /> Table 1) . <br /> A written log of the hydrocarbon emissions at each pumping well <br /> and the daily pumping rate for each well as per conditions 3 and <br /> 4 of Permit 86-82a, are summarized in Table 1. <br /> Tables 2, 3, and 4, present a summary of data collected on the <br /> soil-vapor extraction system for the month of June 1989, as <br /> itemized in condition 5 of Permit 86-83. Weekly monitoring of <br /> the system allowed for replacement of saturated carbon canisters <br /> (See Table 3) . <br /> Offices throughout the 1 SS.,Canada and Overseas <br />