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<br />15 , <br />TECHNICAL EXPERTISE ' <br />Knowledge of and familiarity with the following techniques: ' <br />' Geochemical models: SOLMNEQ, WATEQ4F, PI-II2EEQE, MINEQL, including ' <br />activity coefficient corrections for high ionic strength solutions <br />' Extensive field experience in collection and preservation of surface waters, ' <br />groundwaters and associated sediments <br />' Extensive laboratory experience including experimental design, wet chemical <br />techniques for organic and inorganic analyses of waters and associated sediments, ' <br />clean-lab techniques, operation of high temperature and pressure laboratory <br />equipment (hydrothetmal autoclaves) <br />' Experience with the following, instrumentation: flame and furnace atomic ' <br />absorption spectrometry (AAS); hydride generation AAS; colorimetric techniques; <br />inductively coupled argon plasma (ICP) spectrometry; scanning electron ' <br />microscopy/energy dispersive system analysis (SEM/EDS); liquid chromatography <br />(IC and HPLC), petrographic techniques for igneous, metamorphic and <br />sedimentary rocks; X-ray diffraction; electron microprobe; some experience with <br />infrared spectroscopy, gas chromatography and nuclear magnetic resonance (NMR) ' <br />spectroscopy; understanding of surface analysis theories and their applications (i.e., <br />x-ray photoelectron spectroscopy and auger electron spectroscopy) ' <br />LJ <br /> <br />1 <br />RCG/Hagler, Bailly, Inc. ' <br />r~ <br />