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f LIGHT, AIR & SPACE CONSTRUCTION ENVIRONMENTAL SERVICES COMPANY State Contractor's License Number 445403 State EPA R.E.A.Number 04072 Office 408-9790661 Table 3. Well Borehole Soil Sample and Soil Stockpile Sample Chemical Analysis Results Sample TPHD TPHG Ben Tol Ethyl Xyl. TBA MTBE DIPE ETBE TAME 1-2, EDS Meth Eth Number and OCA De th well borehole Mgt Mg/ U91 Ugl Ug/ Ug/ Ugl Ug/ Ug/ Ug/ ug/ ug/ Ugl ug/ Ug/ Soil Same kg kq kq kq kg kg k !S9 kg kg kq kQ Kq kQ k MW-1 NO NO NO< ND< ND< NO< ND< ND< ND< ND< ND< ND< ND< NDc ND< 5-5.5' <1.0 <1.0 i0 10 1 10 15 50 10 1 10 _ 10 1 10 10 i0 O.D005 100 MW-1 NO NO NO< ND< NO< NO< ND< ND< ND< ND< ND< ND< ND< ND< ND< 10-10.5' <1.0 <1.0 10 10 1015 50 10 10 10 10 10 10 0.0005 100 MW-1 NO NO ND< NO< ND<- ND< NO< NO< NO< NO< NO< NO< ND< ND< ND< 15-15.5' <1.0 <1.0 10 10 10 15 50 10 10 10 10 10 10 0.0005 100 MHN-1 NO NO ND< ND< ND< ND< ND< ND< NO< ND< ND< ND< ND< ND< NO< (cD20-20.6 <1.0 <1.0 10 10 10 15 50 10 10 10 10 10 10 0.0005 100 MW-2 NO NO ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< NO< NO< 5-5.5' <1.0 <1.0 10 10 10 15 50 10 10 10 10 10 10 0.0005 100 MW-2 NO NO ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< NO< ND< ND< 10-10.5' <1.0 <1.0 10 10 10 15 50 10 ,10 10 10 10 10 0.0005 100 MW-2 NO NO ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< NO< ND< 15-15.5' <1.0 <1.0 10 10 10 15 50 10 _-_ 10 10 10 10 10 0.0005 100 i MW-2 NO NO ND< ND< ND< NO< NO< ND< ND< ND< NO< ND< NO< NO< ND< 20-20.5' 0.0 <1.0 10 10 10 15 50 10 _ 10 10 10 10 10 0.0005 100 MW-3 NO NO ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< 5-5.5' <1.0 0.0 10 10_ 10 15 50 10__ 10 10 10 10 10 0.0005 100 MW-3 NO NO ND< ND< NO< ND< ND< ND< ND< ND< ND< ND< ND< NO< NO< 10-10.5' <1.0 <1.0 10 10 10 15 50 10 10.- . 10 10 10 10 . 0.0005 100 MW-3 NO NO ND< ND< ND< NO< ND< ND< ND< ND< NO< ND< NO< ND< NDS 15-15.5' <1.0 <1.0 10 10 10. _ . 15 50 10 . 10 10 10 10 10.. 0.0005 100 MW-3 NO NO ND< ND< ND< ND< ND< NO< NQ< ND< ND< ND< ND< ND< ND< 20-20.5' 0.0 <1.0 10 10 10 15 50. . 10 10 10 10 10. 10 0.0005 100 i Soil Stockpile Sam !e Comp 00616 NO NO ND< ND< ND< ND< ND< ND< NO< ND< ND< ND< ND< ND< ND< (1-4 12" 1 <1.0 <1.0. 10 10 10 15 .50. 10 10.. 10 10 10 10 .. 0.0005 100 Comp 0616 NO NO ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< NO< ND< 1.4 24" <1.0 <1.0 10 10 10.. 15 50. 10 _ 10 10 _ 10 10 10 0.0005 100 Comp 0616 3.04' NO ND< ND< ND< ND< ND< NO< NO< ND< ND< ND< ND< ND< ND< 5-8 12" <1.0 10 10 10 15... 50 10 10 10 10 _ 10 10 0.0005 100 comp 00616 NO NO NO< NO< ND< ND< ND< ND< ND< ND< ND< ND< NO< ND< ND< 5-8 24" <1.0 0.0 10 10 10 15 so . 10 10 10 10 10 10 0.0005 100 Comp 00616 5.16` NO ND< ND< ND< ND< ND< ND< ND< NO< ND< ND< ND< ND< ND< 9-12 12" <1.0 10 10 10 15 50 10 10 10 10 10 10 0.0005 100 Comp 00616 4.72' ND ND< ND< NO< ND< ND<. ND< ND< ND< ND< ND< ND< ND< NO< 9.12 24" <1.0 10.. 10 10 15._.. .50 10 .10 10 10 10 10 0.0005 .100 Comp 00616 4.64' NO ND< ND< ND< ND< ND< ND< ND< ND< ND< NO< ND< ND< ND< (13-16)12" <1.0 10 10 10 15 50 10 10 10 . 10 10 10 0.0005 100 Comp 00616 72.4 ND ND< 1 ND< ND< ND< ND< ND< ND< ND< NO< ND<- ND< ND< ND< L(17-20112 24" <1.0 10 10. 10 15. 50 . 10 10 10 10 . 10 . 10 0.0005. 100 0616 14' NO ND< ND< ND< NO< ND< NO< NQ< NDc NO< ND< ND< NO< NO< <1.0 10 10 10 15 50 10 10 10 10 10 10 0.0005 100. 0616 10.4' NO ND< ND< NO< ND< ND< ND< ND< ND< ND< ND< ND< ND< ND< 24" 0.0 10 10 10 15 50 10 10 10 10 10- 10 0.0005 100 Mg/kg-Milligrams per kilogram. U7kg-Micrograms per kilogram. ND-None detected. '-Laboratory reports that Page 12 of 16 MAIN OFFICE • 1707 LITTLE ORCHARD STREET,SUITE A •SAN JOSE•CA•4$125 MAILING ADDRESS•P.O.Box 36303•SAN JOSE•CA•95158-0303•4081979-0661 •4081979-0621 PAX•LASCONSTCAOL.COM E-MAIL GENERAL AND ENGINEERING CONTRACTOR•HAZARDOUS SUBSTANCE REMOVAL CONTRACTOR"SITE ENVIRONMENTAL ASSESSMENTS WETLAND AND RIPARIAN HABITAT-ASSESSMENT-DESIGN-RESTORATION-CONSTRUCTION-MITIGATION MONITORING