David Welch, M.S., G.P., P.G., C.E.G., C.HG.
Mr. Welch received his Masters of Science in Geology from San Jose State University in 1996, specializing in Geophysics. He is our California Registered Geophysicist overseeing levee integrity studies in the Sacramento San Joaquin Delta and other geophysics projects. Prior to working with ARGUS, Dave was employed at Neil O. Anderson, running their geosciences department (hydrogeology, engineering geology, and geophysics). As such he performed ground-water investigations, environmental site evaluations, aquifer testing, percolation testing, nitrate loading studies, hydrogeologic characterization, slope stability investigations, fault investigations, geologic hazard investigations, soil suitability, geologic mapping, probabilistic-deterministic earthquake hazard analysis, ground-penetrating-radar, electromagnetic, magnetic, magnetotelluric, direct current resistivity, MASW, seismic refraction, gravity, and down-hole measurements.