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TABLE 1 - CHECKLIST OF REQUIRED DATA <br /> FOR NO FURTHER ACTION REQUESTS AT UNDERGROUND TANK SITES <br /> Site Name and Location: BP Oil Station No. 11191, 1469 East Hammer Lane, Stockton, San Joaquin County <br /> 1. Distance to production wells for municipal, domestic, agriculture, industry and irrigation well 500 ft N,Domestic well 1,000 <br /> other uses within 2000 feet of the site; ft N,and Public well 2,000 ft N <br /> a2. Site maps. to scale. of omimoacted showing locations of former and existing tank systems. Current tanks: <br /> Qxrvation contouM and sample locations; boring and monitoring well elevation contours, 3 70,000-gallon gasoline, <br /> gradients, and nearby surface waters, buildings. streets, and subsurface utilities; 1 10,000-gallon diesel <br /> El3. Figures depicting lithology(cross section), treatment system diagrams; Lithology for B-5 only could use geologic <br /> logs for the other borings <br /> 0 4. Stockpiled soil remaining on-site or off-site disposal(quantity); amount and disposal of stockpiled soil excavated <br /> during the removal of original tanks unknown <br /> 0 5. Monitoring wells remaining on-site, fate; Fate of borings unknown <br /> a6. Tabulated results of all groundwater elevations and depths to water, SJ Summary Rpt. 50-80 ft bgs <br /> Tosco WP 20-25 ft bgs <br /> 0 7.Tabulated results of all sampling and analyses: Report limits in "Limited site Investigation"OK <br /> No reporting limits in "Summary of Baseline Assessment Rpt" <br /> y❑Detection limits for confirmation sampling <br /> ❑y Lead analyses <br /> Y7 8. Concentration contours of contaminants found and those remaining in soil Soil contamination extends laterally at <br /> and groundwater, and both on-site and off-site: least 20 ft(TD-1 to B-4) and vertically at <br /> y Lateral and ❑N Vertical extent of soil contamination least 51.5 ft <br /> M Lateral and NJ Vertical extent of groundwater contamination <br /> NA 9.Zone of influence calculated and assumptions used for subsurface <br /> remediation system and the zone of capture attained for the soil and <br /> groundwater remediation system; <br /> FYI 10.Reports 1 information ❑y Unauthorized Release Form 1016189& 1015190 &MRs(Dates) <br /> aWelland boring logs F PAR 2181194 Other(report name) Summary of Baseline Assessment Rpt.2113195 <br /> 0 11.Best Available Technology(BAT)used or an explanation for not using BAT,, removed tanks and some contaminated <br /> soil <br /> 0 12.Reasons why background wads unattainable using BAT; may need to remove additional soil,ground water could <br /> be contaminated <br /> a13.Mass balance calculation of substance treated versus that remaining; <br /> NA 14.Assumptions, parameters, calculations and model used in risk <br /> assessments, and fate and transport modeling; <br /> 0 15.Rationale why conditions remaining at site will not adversely <br /> impact water quality, health, or other beneficial uses;and <br /> 16_WET or TCLP results <br /> $y; Comments: <br /> Dat <br />