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REQUEST FOR BIDS <br /> Consulting engineers, geologists and other professional firms experienced <br /> in the field of underground storage tank corrective action work are being <br /> invited to submit bids to conduct a Sgil and Groundwatgr Assessment for <br /> a property located at 2421 Holly Drive in Tracy, California. <br /> A. OBJECTIVE AND SCOPE OF WORK <br /> The objective of the scope of work is to determine the quality of the shallow groundwater in the area of <br /> the tank system formerty located at the site. The scrape of work to accomplish this objective includes 1) <br /> preparing and submitting a workplan and boring permit to San Joaquin County Public Health Services, <br /> Environmental Health Division(PHS-EHD) 2) to drill one soil boring in the downgradient direction of the <br /> former tank system, to collect soil samples every five feet or change in lithoigy from this boring, and to <br /> submit these samples to a State Certified Laboratory to be analyzed for gasoline constituents 3) to <br /> complete the boring as a shallow groundwater monitoring well 4) to develop and sample the water from <br /> the well and to submit the sample to a State Certified Laboratory to be analyzed for the constituents of <br /> gasoline 5) to collect representative soil samples from the areas of the former dispenser islands and, if <br /> needed, from any former piping runs 6) prepare a brief letter report of findings to be submitted to PHS- <br /> EHD for review. <br /> B. BACKGROUND <br /> The property is located on the comer of Holly Drive and Grant Line Road in the City of Tracy. The site <br /> is a commercial property and was historically used as a car wash and a car repair shop. During its use <br /> as a car wash two 10,000 gallon gasoline USTs were operated for gasoline dispensing for a total of <br /> approximately two years. The two USTs were removed from the site on April 11, 1988. The results of <br /> the soil and grab groundwater samples collected from the tank pit area are shown in the table below. <br /> Information from a nearby site indicate the groundwater flow direction to be to the north northeast <br /> SOIL AND GROUNDWATER SAMPLE RESULTS <br /> APRIL 11, 1988 TANK REMOVAL <br /> SAMPLE TPH BENZENE TOLUENE ETHYL :YLME LEAD <br /> ID GASOLINE BENZENE <br /> #1 SOIL 41.Oppm <0.01 ppm <0.01 ppm <0.01 ppm ppm 5.0ppm <br /> 9' <br /> #2 SOIL <1.Oppm <0.01 ppm <0.01 ppm NOT ppm NOTg1 ANALYZED ANALYZED#2 WATER 130ppm 700ppb 3300ppb NOT ppb NOT <br /> 9. ANALYZED ANALYZED <br /> C: TIME SCH DULE <br /> Responses to this request for bids must be sent back to John Gemelos at 456 E Hollywood TracyCa <br /> 95376 by March 15, 1996. Regulatory contact is Linda Turkatte at (209) 468-3441. <br /> 1 <br />