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i <br /> i <br /> 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 /> UST NUMBER 2 <br /> 4 i <br /> M ; UST location see attached map. <br /> UST age more than 20 years old <br /> s , UST material steel <br /> Depth to top of UST 48" <br /> UST dimensions 146"x 46"diameter <br /> UST capacity 1,039 gallons <br /> UST uses e <br /> g diesel <br /> Residual contents 0 gallons <br /> Quantity pumped 0 gallons <br /> Dry ice used 200 pounds <br /> LEL reading 0.0% <br /> Oxygen reading 0.0% <br /> UST coating none <br /> 4 Condition of UST rusty,some pitting,one small hole observed at vent end of UST. <br /> „ 1 <br /> Backfill material native soil,clean <br /> Native soil caliche <br /> 1 Water in excavation no <br /> product piping <10' of 2" <br /> s material steel <br /> Vent piping <10'of 2" <br /> t material steel <br /> Remote fill . 40"of 4" <br /> material steel <br /> Y F <br /> Sample Locations see attached map <br /> #of soil samples (4) Container: 3"brass <br /> J � <br /> #of water samples (0) Container: NIA <br /> Type of soil caliche <br /> Sample# Depth Location Analysis <br /> 05113-3 9.5'bgs north end of UST TPH D&G,BTEX/MTBFJFuel Oxygenates,lead <br /> 051134 9.5'bgs south end of UST TPH D&G,BTEX/MTBFJFuel Oxygenates,Lead <br /> t 05113-7 2.0'bgs under diesel dispenser TPH D&G,BTEX/MTBFJFuel Oxygenates,Lead <br /> 05113-8 1.0'bgs in UST#2 soil stockpile TPH D&G,BTEX/MTBFJF'uel Oxygenates,lead <br /> E z Odor in samples: none observed <br /> Staining in samples: none observed <br /> How were soil samples obtained: back-hoe bucket <br /> How were water samples obtained: N/A <br /> January 5, 2005 <br /> Page 4 of 14 <br /> MAIN OFFICE • 1707 Ln-rLE ORCHARD STREET,SurrE A•SAN JOSE•CA•95125 <br /> MAUNG ADDRESS•P.O.Box 36303•SAN JOSE•CA•95158-6303.4081979-0661.408/979-0621 FAX.LAsCONST'Ca AOL.COM E-MAIL <br /> GENERAL AND ENGINEERING CONTRACTOR•HAZARDOUS SUBSTANCE REMOVAL CONTRACTOR•Sr E ENVIRONMENTAL ASSESSMENTS <br /> WFTI ANTI ANTI RIPARIAAI 14Anrt-AT-Accvcc%4vr _n.v ,-_wr-D-n w -- !'n�rc-..rv..r.... ��m......r... �.r.-............. <br />