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' LIGHT, AIR & SPACE CONSTRUCTION <br /> ENVIRONMENTAL SERVICES COMPANY <br /> State Contractor's license Number 445403 <br /> State EPA R.E.A.Number 04072 <br /> Office 408-979-0661 <br /> LABORATORY ANALYSIS OF SOIL SAMPLES <br /> The lab was instructed to run the following EPA tests on all of the soil samples: <br /> r , <br /> TPH G,TPH D, BTEX/MTBE/Fuel Oxygenates and Lead <br /> The laboratory analysis result sheet is an attachment to this report. The soil sample results are <br /> presented in Table 1 below: <br /> TABLE 1 <br /> 3 F 03113-1 03113-2 03113-3 031I34 03113-5 03113-6 03113-7 03113-8 Detection <br /> Limit <br /> i <br /> Date sampled 12-21-04 12-21-04 1221-04 12-21-04 12-21-04 12-21-04 12-21-04 <br /> ' TPH Gasoline 170 ppm N.D. 690 ppm N.D. N.D. 67 ppm N.D. N.D. IPPM <br /> : 1 <br /> TPH Diesel 15 PPM 2.6 ppm 14000 ppm 2.6 ppm 20 PPM 95 PPM 2100 ppm 51 m 100pp <br /> ` Teri-B alcohol BA N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 10 b <br /> I' <br /> Methyl tett-bu 1 ether MTBE N.D. N.D. N.D. N.D. N.D. " N.D. N.D. N.D. S b <br /> Di-isopropyl Ether DiPE N.D. N.D. N.D. N.D. N.D. N.D. N,D, N.D. 10ppb <br /> Eth tett-b ether ETBE N.D. N.D. N.D. N.D. N.D. _ N.D. N.D. N.D. 5 ppb <br /> Tat-Amyl mdhyl edxr(TAME) N.D.' N.D. N.D. N.D. N.D. N.D. N.D. N:D. 5 ppb <br /> LL i Benzene N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D. 5 ppb <br /> Toluene N.D. N.D. N.D. N.D. N,D. N.D. N.D. N.D. 5 ppb <br /> t <br /> Ethyl bmzene N.D. N.D. N.D. N.D. N.D. N.D. N.D. N.D_ 5 ppfi <br /> Total xylenes —830pph N.D. 730 PPb N.D. N.D. 1800 ppb N.D. N.D. S ppb <br /> : i <br /> Lead 112 ppm N.D. N.D. N.D_ 86 ppm 3.6 ppm 16 m 2.1 m <br /> Date received 12-21-04 12-21-04 12-21-04 12-21-04 12-21-04 12-21-0412-21-04 12-21-04 <br /> Date anal 12-27-04 12-27-04 12-27-04 12-27-04 12-27-04 12-27-04 12-27-04 12-27-04 <br /> N.D.=Non-detect PPM=Parts per million PPB=Parts per billion <br /> F - <br /> BACKFILL OF THE EXCAVATION <br /> The excavation was back-filled on December 21, 2004 with a mixture of native soil excavation <br /> spoils and native soil from the property. The fill material was placed in lifts and mechanically <br /> compacted to a relative 90%. <br /> The area was not re-surfaced. <br /> e , <br /> January 5, 2005 Page 7 of 14 <br /> MAIN OFFICE • 1707 LITTLE ORCHARD STREET,SUITE A•SAN JOSE•CA•95125 <br /> MAiuNG ADDRESS•P.O_Box 36303•SAN JOSE•CA•95158-6303•4081979-0661•40$/979-062 t FAX•LASCONST@AOL.COM E-MAIL <br /> GENERAL AND ENGINEERING CONTRACTOR•HAzAItDOUS SUBSTANCE REMOVAL CONTRACTOR•SITE ENVIRONMENTAL ASSESSMENTS <br /> WETLAND AND RIPARIAN HABITAT—ASSESSMENT—DESIGN—RESTORATION—CONSTRUCTION—MITIGATION MONITORLNG <br />