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K S. Dunbar and Associates B20301. 01A <br /> August 11, 1995 Page 3 <br /> SUMMARY OF OBSERVATIONS AND ANALYTICAL RESULTS <br /> A strong odor of petroleum hydrocarbons and soil staining were observed in the gasoline <br /> UST's excavation. No odor or staining was observed in the diesel UST's excavation The <br /> gasoline USTs were observed to be lightly rusted. The diesel USTs were removed from the <br /> site before Twining's technician had an opportunity to observe them. The contents of tanks <br /> and tank capacity are summarized in Table 1. (Note: diesel UST data based on information <br /> provided by Dunbar personnel). <br /> ;TABLE <br /> TANK CONTENTS AND CAPACITY <br /> UST UST Contents Dam ter - Lcngth, Velum,• �ert0. <br /> Nunnbcr <br /> �Ifons (?7 feeE_(3} <br /> 32-2252-01 Gasoline 4 IS 1,413 6 <br /> 32-2252-02 Gasoline 4 7 659 6 <br /> 32-2252-03 Gasoline 4 7 659 6 <br /> Unknown Diesel Unknown Unknown 12,000 10 <br /> Unknown Diesel Unknown Unknown 127000 10 <br /> Unknown Diesel Unknown Unknown 12,000 10 <br /> UST = Underground Storage Tank <br /> (1) = SICPHS tank identification number <br /> (2) = Apprwdmate <br /> (3) = Depth of bottom of tank below site grade <br /> Soil sample analytical results are summarized in Tables 2 and 3. Laboratory reports of <br /> analyses are attached. Also attached to this report is the manifest for the tank <br /> contents/rinseate disposal. <br />