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SAW %WW LIGHT, AIR & SPACE CONSTRUCTION ENVIRONMENTAL SERVICES COMPANY State Contractor's License Number 445403 State EPA R.E.A.Number 04072 Office 408-979-0661 Table 5.Soil Sample Data from Underground Tank Removal December 21,2004 03113-1 03113-2 03113-3 03113-4 03113-5 03113-6 03113-7 031136 Detection Limit Date sampled 12-21-04 12-21-04 12-21-04 12-21-04 12-21-04 12-21-04 12-21-04 TPH Gasoline 170 ppm N.D. 690 PPM N.D. N.D. 67 ppin N.D. N.D. l ppm TPH Diesel 13 PPM 2.6 ppm 24600 ppm 2.6 ppm 20 ppm 95 ppm 2109 ppm 51 eem 100 Tert-Butylalcohol A N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 10 ppb Methyl tort-butyl ether E N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 5 Di-isopropyl Etber IPE N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 10 e2b Ethyl tort-butyl ether ETBE N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 5 Mk Tc*Amyl mrtyl cthaiTAME1 N.D, N.D. N.D. N.D. N.D. N.D. N.D. N.D. 5ppb Benzene N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 5 ppb Toluene N.D. N.D_ N.D. N.D. N.D. N.D. N.D. N.D. 5 ppb Ethyl benzene N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 5 ppb Total x lencs 830ppb N.D. 736 ppb N.D. N.D. 1800 ppb N.D. N.D. S ppb Lead 1 12 m I N.D. N_D. N.D. 1 86 pm 3.6 ppm 16 ppm I 2.1 Pm Dante received 1 12-21.04 1 12-21-04 1 12-21-04 12-21-04 1 12-21-04 1 12-21-04 1 12-21-04 1 12-21-04 Date analyzed 1 12-27.04 1 12-27-04 1 12-2704 12-277!4 12-27-04 1 12-27-04 1 12-274)4 1 12-27-04 N.D.=Not detected. ppm=parts per million[. ppb=parts per billion. N.A.=not analyzed. Rep Limit—Laboratory reporting limit. Pae 14 of 16 MAIN OFFICE • 1707 LITTLE ORCHARD STREET,SUITE A •SAN JOSE•CA•95125 MAILING ADDRESS•P.O.Box 36303•SAN JOSE•CA•95158-0303•408/979-0661 •408/979-0621 FAX•LASCONST(wAOL.00M E-MAtL GENERAL AND ENGINEERING CONTRACTOR•HAZARDOUS SUBSTANCE REMOVAL CONTRACTOR•SITE ENVIRONMENTAL ASSESSMENTS WETLAND AND RIPARIAN HABITAT—ASSESSMENT—DESIGN—RESTORATION—CONSTRUCTION—MITIGATION MONITORING