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' Richard L. Henry ~ acrr~vrr:crr, rrra, cow <br />Page 3 <br />selected barrier design minimized groundwater impacts and provided RCRA-compliant consolidation and <br />containment of wastes, debris, and contaminated soils for 1,000 years. <br />' Technical Manager. Integrated seismic refraction daha, subsurface hydrogeologic information, and french <br />drain as-bunts into a geographic information system (GIS) to visualize hydrogeologic conditions in 3- <br />' dimensions, identify groundwater flow paths, and to determine groundwater underllow along the french drain at <br />the Rocky Flats Environmental Technology Site, Golden, Colorado. The analysis was performed on a <br />workstation using Intergraph's ERMA/MGEIMGANoxe1 software. <br />' Technical Manager. Provided technical management of the 34.SM Rocky Flats Operable Unit 4 Phase 11 <br />RFI/RI for the Solar Evaporation Ponds that included accelerated field data wflection using innovative <br />screening assessment techniques and characterization of the contaminant plumes in the salivated zone using <br />' surface and subsurface hydrogeological and geochemical data. The field program provided high quality data <br />over a large area in a shoR time period to support site risk management decisions regarding an accelerated <br />groundwater cleanup plan. <br />' Principal Hydrogeologist. Performed a Feasibility Study of groundwater remediation alternatives for Rocky <br />Flats Operable Unit 2. The Feasibility Study included an evaluation of contaminant transport using <br />MODFLOW and MT3D. The Feasibility Study recommended development of a Technical Impracticability (T7) <br />' waiver for the site because of the exveme difficulty in recovering contaminants from groundwater in the <br />variably saturated, low perma~bility, fractured bedrock formations. <br />t <br />1 <br /> <br />1 <br />1 <br /> <br /> <br /> <br /> <br />1 <br />Peer Reviewer. Served onrrhree-member Peer Review Panel for the Monticello Uranium Mill Tailings <br />Repository in Utah. The panel reviewed the permit application, evaluated the potential for siting a uranium mill <br />tailings waste landfill at the site, and reviewed the technical work performed in support of the permit <br />application. The review panel provided recotnntendations for improving the permit application that led to its <br />acceptance by the regulators. <br />Technical Drrector. Provided senior technical direction for the Risk-Based Remediation Technology <br />Demonstration Project for ate Air Force Center for Environmental Excellence. Project involved the development <br />of protocols for tiered httman-health and ecological risk-based corrective actions at fuel- and chlorinated <br />solvent-contaminated sites, including a demonstration and evaluation of local source removal, natural <br />attenuation and long-term monitoring as the sole closure alternative at eight U. S. Air Force bases. The risk- <br />based natural attenuation approach proved successful for evaluating and closing these Air Force facilities and is <br />being widely applied as the remediation approach of choice at numerous Air Force site closures across the U. S. <br />Principal Hydrogeologist. Performed a hydrogeologic evaluation to support remedial design/remedial action <br />(RD/RA) using Visual Modflow to evaluate the performance of a barier walllgroundwater collection system <br />installed at the Lowry Landfill NPL site east of Denver, Colorado. <br />Principal Hydrogeologlst. Responsible for the development of a literature survey and technology <br />demonstration of natural attenuation of chlorinated hydrocarbons at Ciba-Geigy's Toms River Plant in New <br />Jersey. Provided a field sampling and analysis protocol to support the intrinsic remediation evaluation. <br />AGRA Earth and Environmental, Inc., Denver, Colorado <br />1991-1993 <br />Senior Protect Manager. Performed site hydrogeologic characterization, baseline surface water and groundwater <br />quality, fly ash and leachate chemistry, and performance modeling of liner and cover designs to support a <br />Certificate of Designation for acoal-fired power plant fly ash landfill in an active shale mine in Jefferson County, <br />Colorado. Perfornance modeling was conducted using the VLEACH, FOWL, MYGRT, and I~LP models. <br />Senior Hydrogeologist. Developed 2-D and 3-D models of the subsurface hydrogeology and open-pit <br />configrvation at a proposed limestone mine expansion in Colorado to support an environmental impacts analysis <br />using AutoCad and DCA Engineering software, and MODFLOWfMT3D. <br />1 <br />