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Al <br /> a <br /> TABLE 1 - CHECKLIST OF REQUIRED C TA <br /> FOR NO FURTHER ACTION REQUESTS AT UNDERGROUND TANK SITES <br /> Site Name and Location: Reynolds&Brown Property,724 E. Grant Line Road,Tracy,San Joaquin County <br /> NA 1. Distance to production wells for municipal, domestic, agriculture, industry <br /> and other uses within 2000 feet of the site; <br /> 0 2. Site mal2s. to scale, of area iamoled showing locations f former and existing tank systems. two 10,000-gallon diesel <br /> excavation contours and sample locationsboring and monitoring well elevation contours, USTs removed 8/87 bottom <br /> gradients, and nearby surface waters, buildings, streets. and subsurface utilities; of tank 11.5 ft bgs <br /> r <br /> Q 3. Figures depicting lithology(cross section), treatment system diagrams; Boring logs <br /> I <br /> NfdA 4. Stockpiled soil remaining on-site or off-site disposal(quantity); tanks disposed at H&H Shipping Service <br /> h. <br /> 0 5. Monitoring wells remaining on-site,:fate; 1 and 3 borings _ <br /> Q6. Tabulated results of all groundwater elevations and depths to water, 11.1 to12.12.47 ft bgs <br /> 7. Tabulated results of all sampling and analyses: <br /> FY Detection limits for confirmation sampling <br /> ❑N Lead analyses <br /> fNA 8. Concentration contours of contaminants found and those remaining in soil Soil contamination:B-2,B-3 and MW-1 <br /> and groundwater, and both on-site and off-site: (38X25 ft) and>11.5 ft bgs 16 to 43µg/kg <br /> I. y Lateral and ❑ Vertical extent of soil contamination Toluene. Soil samples beneath tanks ND. <br /> G W samples pit 1,067µg/1 TPH-g, 1740µg/1 <br /> FYI <br /> Latera!and Y❑ Vertical extent of groundwater contamination TPH-d,2.6µg/1 benzene,54.2µg/1 TEX <br /> I <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 /> 10.Reports/information Y❑Unauthorized Release Form 11/5/92 FNJ QMRs(Dates) <br /> ❑Y Well and boring logs R PAR 1/26/87, 8/26/87, 11/11187 y❑Other(report name) G.W_ Qual.Eval. 6/27/88 <br /> . a 11.Best Available-Technology(BAT) used or an explanation for not using BAT- Removed tanks and sampled <br /> ED12.Reasons why background was unattainable using BAT; Toluene in soil only GW ND <br /> FWA-1 13.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 /> NA 15.Rationale why conditions remaining at site will not adversely GW ND in monitoring well Pit water detected <br /> impact water quality, health, or other beneficial uses;and contamination but sampling protocol was not <br /> acceptable. <br /> NA 16.WET or TCLP results <br /> By, Comments: Soil contamination was not detected beneath the tanks, but detected in borings. This <br /> may be due to the use of toluene as a solvent in the past or herbicides(used prior to 1987). Ground <br /> Dat water nondetect for petroleum contaminants. <br /> A1154 <br /> I <br />