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a <br /> ES ENGINEERMO-SCIENCE <br /> Biograpbical Data <br /> DAVID A.BASW N <br /> Principal Geologast/Proiect Manager <br /> a EXPERIENCE SUNMRY <br /> Extensive experience in applying geological,geophysical,and instrumentation techniques to conduct <br /> investigations for hazardous and nuclear waste reposiwi les.groundwater studies.rockfill and concrete darns, <br /> mine facilities, tunnels and undergromnd caverns, power transmission lines. railroads, and nuclear power <br /> lants. Geological and bydrogeological experience vwludes pumping tests and analysis of test results,well <br /> p geologic mapping, gcotechnical &xlling and sampling. geologic mapping, <br /> drilling and well installation. <br /> borehole and test pit logging, permeability testing, and foundation grouting- Geophysical and <br /> instrumentation experience includes seismic reflection and refraction, electrical resistivity, thermal <br /> conductivity, shear wave velocity measurements. blast and vibration monitoring, inclinometer and <br /> �.t. <br /> extensometer installation and monitoring, ground penetrating radar, magnetics, and geophysical well <br /> logging. <br /> ' ExpmEENcE RECORD <br /> i99(}-Date Engineering-Science. Berkeley, California. Principal Geologist/Project Manager. <br /> Manages remedial investigation and feasibility studies. Conducts site characterization. <br /> •,� geophysical studizs, and radioactive/mixed-waste studies. Supervised the removal of <br /> underground storage tanks at Beale Air Force Base and sampling of base groundwater <br /> wells. Assisted in development of Beale Air Force Base Soils Managenent Plan. <br /> 1975.1990 MK-Environmental Services, San Francisco, California. Associate Principal <br /> Geologist. Experience includes site characterization and groundwater monitoring at <br /> hazardous and maxed waste sites. Representative experience includes the following: <br /> Wrote sections of the REFS for cleanup of quarry site contaminated with radioactive <br /> and chemical wastes. Supervised writing of GeophysicaUOwtechnical Work Plan to <br /> obtain design parameters for the disposal facility and characterize the site. Supervised <br /> geophysical investigations of the disposal cell site including seismic reflection and <br /> refraction,electrical resistivity.EM studies.and spontaneous potential. <br /> Supervised drilling, installation, and development of overburden arra bedrock <br /> groundwater monitoring wells adjacent to uranium tailings pile. Obtained soil samples. <br /> logged soil and rock core,supervised geophysical well togging,and supervised scaling <br /> 00 of abandoned wells. <br /> Evaluated geological, hydrogeological, and geophysical logs to compile a computer <br /> data base of gootecbnical information for characterizing a site. Designed high <br /> resolution seismic reflection survey to detect shallow faults. <br /> 01910 <br /> BASKINDA <br />