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w l s <br /> i <br /> f <br /> E]E] GROUNDWATER <br /> 'TECHNOLOGY, INC. 4080 Pike Lane.Suite U.Concord,CA445?OWIi1i, 1.3137 <br /> Fax:44151685-9148 <br /> ,lune. 8, 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, 86-83, May 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 May 1989. The conditions itemized in the <br /> Permits to operate are addressed below. <br /> As per condition 1 in Permits 86-82a and 86-83, the total <br /> nonmethane on-site hydrocarbon emissions (total air stripping <br /> plus soil-vapor extraction system) was less than 0.00002 lbs/day, <br /> which is below the permit maximum of 4.7 lbs/day (See 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 May 198y, as <br /> itemized in condition 5 of rermit B6-83. Weekly monitoring of <br /> the system allowed for replacement of saturated carbon canir,ters <br /> (See Table 3) . <br /> y; <br /> ofrwc5 throughout the US.Canada and 0imeas <br />