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h <br /> F <br /> -- GROUNDWATER <br /> ___I[L:l TECHNOLOGY, INC. 4USn1'i v ane.Suge1).Concord,CAE445.1014151fi71.93Ni <br /> F-a:l•11536K5-u14N <br /> May 10, 1989 <br /> ,lob No. 203 475 2894 <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, 86-83, April 1989. <br /> Dear Mr. Miller: <br /> This letter report presents an update for Air Permits 86-62a and <br /> 86-83, for the month of April 1989. The conditions itemized in <br /> the Permits to operate are addressed below. <br /> As per condition 1 in Permits 86-82a and 86-33, the total <br /> nonmethane on-site hydrocarbon emissions (total air stripping <br /> plus soil-vapor extraction system) was less than 0.000014 <br /> lbs/day, which is below the permit maximum 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 April 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 /> 0rfrca rhrwghour the V.S.Canada and pvyvscaa <br />