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Monta Brothers Serv,ce Stat,on 5 July 16, 1992 <br />' boring TH-3 in samples from 15, 25, 45, and 50 feet TPH as gasoline was detected at a <br /> concentration of 5 85 mg/kg at 30 feet in boring TH-4, which was drilled 15 feet west <br /> of the west side of the former 5,000 gallon unleaded gasoline tank TPH as gasoline <br />' was not detected in boring TH-4 to samples from 20, 40, and 45 feet TPH as gasoline <br /> was not detected in any of the samples analyzed from borings TH-2, TH-5, TH-6, and <br />' TH-7 Benzene was detected at a concentration of 10 mg/kg at a depth of 30 feet in <br /> boring TH-4 Benzene was detected at a concentration of 0 16 mg/kg at a depth of 40 <br />' feet in boring TH-1 Benzene was detected at a concentration of 0 11 mg/kg at a depth <br /> of 30 feet in boring TH-2 Benzene was detected at a concentration of 0 11 mg/kg at a <br />' depth of 25 feet in boring TH-3 Benzene was detected at a concentration of 0 1 mg/kg <br /> at a depth of 45 feet in boring TH-4 The other sixteen samples which detected the <br /> presence of benezene, detected benzene at a concentration of less than 01 mg/kg <br /> Toluene was detected at a concentration of 13 mg/kg at a depth of 30 feet in boring <br /> THA Toluene was detected at a concentration of 0 097 mg/kg at a depth of 45 feet in <br /> boring TH-4 Toluene was detected at a concentration of 0 041 mg/kg at a depth of 40 <br /> feet in boring TH-4 Toluene was detected at a concentration of 0 036 mg/kg at a <br />' depth of 35 feet in boring TH-3. The other six samples which detected the presence of <br /> toluene, detected toluene at a concentration of less than 0 015 mg/kg Ethylbenzene <br />' was detected at a concentration of 016 mglkg at a depth of 30 feet in boring TH-4 <br /> Ethylbenzene was detected at a concentration of 0 021 mg/kg at a depth of 25 feet in <br /> boring TH-3 Ethylbenzene was detected at a concentration of 0 007 mg/kg at a depth <br />' of 45 feet in boring TH-4 Ethylbenzene was detected at a concentration of 0 005 <br /> rag/kg at a depth of 30 feet in boring TH-2 Total xylenes were detected at a <br />' concentration of 0 86 mg/kg at a depth of 30 feet in boring TH-4 Total xylenes were <br /> detected at a concentration of 0 042 mg/kg at a depth of 35 feet in boring TH-3 Total <br />' xylenes were detected at a concentration of 0 032 mg/kg at a depth of 40 feet in <br /> boring TH-1 Total xylenes were detected at a concentration of 0 031 mg/kg at a depth <br /> of 45 feet to boring TH-4 Total xylenes were detected at a concentration of 002 <br /> mg/kg at a depth of 30 feet in boring TH-2 The other two samples which detected the <br /> presence of total xylenes, detected total xylenes at a concentration of less than 002 <br /> mg/kg Total lead was detected at a concentration of 20 mg/kg at a depth of 30 feet in <br /> boring T14-2, and 19 mg/kg at depths of 25 and 35 feet in boring TH-1 and at a depth of <br /> EB-9101-3 9207-EO37 WP <br />