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• Executive Director, Change Coast Watch (2001-2004); <br />• Senior Science Policy Adviser and Hydrogeologist, U.S. Environmental Frotetctfon Agency (1989- <br />1998); <br />• Hydmgeologist, National Park Service, Water Resources Division (1998-2000); <br />• Adjunct Faculty Member, San Francisco State University, Department of Geosciences (199,9- <br />1998); <br />• Instructor,College of Marin, Department of Science (1990 - 1995); <br />• Geologist, U.S. Forest Service (1986-1998); and <br />• Geologist, Dames& Moore (1984-1966)_ <br />Senior Remulato" mid Litigation Suoporl Analyst <br />With SWAPf4, Mat['s resixmsibilities have included- <br />• Lead analyst and testifying expert in the review of over 100 environmental impact reports <br />smoe 20W under CEQA that identify significant issues with regard to hazardous waste, water <br />resources, water quality, air quality, Valley Fever, gnvnhouse gas emissiens, and geologic <br />hazards. Make recommendations for additional nuti&nhon measures to lead agencies at the <br />local and county level to includ, additional characterization of health risks and <br />implementation of protective measures to reduce worker exposure to hazards from toxins <br />and Valley Fever. <br />• Skrmwater analysis, sampling and best management practice evaluation at mdustrial facilities. <br />Manager of a project to provide technical assistance to a community adjacent to a former <br />Naval shipyard under a grant from the U.S. EIIA. <br />• Technical assistance and litigation support for vapor intrusion coacems. <br />• Lead analy5tand testifynhgexpert in the review of envimnmcntal issues in haters" a pplimtcras <br />for large solar power plants before the California Energy Commission. <br />+ Manager of a project to evaluate numerous formerly used military sites in the western U.S. <br />• Manager of a comprehensive evaluation of potential sources of perehlorate contamination in <br />Southem California drinking water wells. <br />+ Manager and designated expert far litigation support under provisions of Proposition 65 in the <br />review of releases of gasoline to sources drinking water at major refineries and hundreds of gas <br />Statics thrxwjhnut California. <br />• Expert wimesson two rases involving MTaE litigation. <br />• Expert Mines* and Inigrionsupport on the impact of air toxins and hazards at a school. <br />• Expert witness in litigation at a former plywood plant. <br />With Korn" H2O Science Inc, Marrs duties included the following <br />• Senior author of a report on the extnmt of perchlorate contamination that was used in testimony <br />by the former U.S. EPA Administrator and General Counsel. <br />• Senior researcther, in the devAopmentof a comprehensive, electronically interactive chronology <br />of MTBB use, research, mid regulation. <br />• Senior researdncr m the developmenntof a comprehensive, electionicaky interactive duonology <br />of perchlorate use, research, and regulation <br />• Senior researcher in a study that estimates nationwide costs for MTBE rerrediation and drinking <br />water treatment, results of which were published in newspapers nationwide and in testimony <br />against provisions of an energy bill that would limit liability for oil companies. <br />• Research to support litigation to restore drinking water supplies that have been contaminated by <br />MTBP in California and New York. <br />75C-92 <br />