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Shirley Environmental Testing, L.L.C. <br /> 1928 Tyler Avenue,Suite K <br /> South El Monte, CA 91733-3622 <br /> 2/16/04 <br /> County of San Joaquin <br /> Certified Unified Program Agency(CUPA) <br /> Environmental Health Division <br /> 304 East Weber <br /> Stockton, CA 95202 <br /> (209) 468-3446 <br /> fax: (209) 468-3433 <br /> Attention: Doug Wilson <br /> Reference: Enhanced Leak Detection Testing for New Construction <br /> Rancho San Miguel Market <br /> 1409 Airport Way <br /> Stockton, CA <br /> The following is Shirley Environmental Testing,L.L.C.'s work plan for installing horizontal <br /> sampling lines throughout the tanks and complete piping system,vapor recovery and vent lines <br /> prior to backfilling tanks and piping trenches for vapor and vent lines. Thereafter, Shirley <br /> Environmental Testing, L.L.C. will perform Enhanced Leak Detection(ELD) testing on two (2) <br /> underground storage tanks (UST) at the above referenced location. Shirley Environmental <br /> Testing, L.L.C. is a licensed affiliate of Tracer Research Corporation providing Enhanced Leak <br /> Detection services throughout California. <br /> The scheduled work plan is to provide installation services and Enhanced Leak Detection testing <br /> services (0.005 gph sensitivity) to the above referenced facility with a technological method that <br /> meets the requirements set forth in SB 989. <br /> Shirley Environmental Testing, L.L.C. will be installing horizontal probe sample locations <br /> around the tanks and piping system, vapor recovery and vent lines prior to backfilling tanks and <br /> piping trenches for vapor and vent lines. The horizontal sampling lines will follow the crest of <br /> the tank and lay next to or on top of product and vent piping. Each tank will be inoculated with <br /> an individual Tracer. Inoculation is to be performed following strict guidelines established by <br /> Tracer Research. <br /> A total of three (3) test ports will be used to test the entire tank system and all vent lines and <br /> piping runs. Samples may also be taken from any applicable tank annular spaces or piping <br /> secondary containment. <br /> Shirley Environmental Testing, L.L.C. • 1928 Tyler Avenue,Suite K• South EI Monte,CA 91733-3622 <br /> (800)533-4030 -(626)444-7447- Fax(626)444-7017 •E-mail Address: mthomas@shirleyenvironmental.com <br />