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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 /> Each groundwater sample will be carefully collected with a clean disposable PVC bailer and <br /> poured with minimum cavitation into the appropriate laboratory prepared container. Each water <br /> sample will be labeled, logged onto a chain-of-custody form, and placed in a chilled ice chest on <br /> crushed ice. Upon completion of well sampling, each well will be closed and locked. Well purge <br /> water will be stored onsite in labeled 55-gallon steel drums at a client-designated location until <br /> the analysis results are available. The purge water will then be appropriately disposed. <br /> 5.0 Chemical Analysis <br /> Up to six (6) soil samples and three (3) groundwater samples will be analyzed at Test America, <br /> a certified analytical laboratory in Pleasanton, California. Samples will be tested for the <br /> following; Total Petroleum hydrocarbons as Gasoline (TPHG) and Diesel (TPHD), Benzene (B), <br /> Toluene (T), Ethylbenzene (E), Xylene (X), Methyl-tent-butyl-ether (MTBE), and fuel oxygenates <br /> tent-Amyl-Methyl-Ether, Ethyl-tett-Butyl-Ether, Di-isopropyl Ether and tent-Butyl Alcohol (MTBE, <br /> ETRE, TAME, DIPE, TBA), 1,2-Dichloroethane (1,2-DCA), Ethanol, Methanol and Lead using <br /> EPA Methods 3550, 351018015, 5030, 8020 and 8260B, and 6010. <br /> 6.0 Report <br /> A report of the findings of this site investigation will be prepared for submittal to the EHD. The <br /> report will include the field methods, permits, exploratory boring logs, monitoring well <br /> construction details, chemical analytical data, site map, groundwater flow contour map, geologic <br /> cross sections, a site conceptual model building on the previous work and the data collected <br /> from this proposed work plan and report narrative on subsurface conditions and contaminant <br /> extent. The report will include estimates of contaminant extent, conclusions and <br /> recommendations for additional work. The reports will be prepared in both hard copy, and <br /> electronic format for submittal to Geotracker. If you have any questions and/or need additional <br /> information please contact David Guthridge at 408-979-0661. <br /> Sincerely, <br /> Li t, Air and a Construction �`0�kER G�c <br /> n HR 4f0�0 <br /> �,1 U <br /> No.1262 <br /> D vid B. Guthridge Christopher M. Palmer CERTIFIED Cf) <br /> Principal C.E.G. 1262 ENGINEERING <br /> (, GEOLOGIST <br /> Attachment: Figure 1. Site location Map 9TF�F C A��F�Q <br /> Figure 2. Proposed Monitoring Well Locations <br /> Page 4 Of 5 <br /> MAIN OFFICE - 1707 LITTLE ORCHARD STREET, SUITE A-SAN 705E- CA 95125 <br /> MAn ING ADDRESS•P.O.Box 36303•SAN JOSE•CA•95158-0303 • <br /> 408/979-0661 OFFICE-4081979-0621 FAx-4081640-2899 CELL PHONE-DGUTIIRIDGE ,LIGHTAIRANDSPACE.COM E-MAM <br /> GENERAL AND ENmNEERTNG CONTRACTOR-IIAZARDOUS SUBSTANCE REMOVAL CONTRACTOR 4 STTE ENviRON&ENTAL ASSESSMENTS <br /> WETLAND AND RIPARIAN HABTTAT—ASSESSMENT—DESiGN—RESTORATION—CONSTRUCTION—MITIGATION MONITORING <br />