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Ms. Mackenzie has over 40 years of experience in the environmental laboratory business, including 13 years as CEO, 23 years as Vice President and General Manager, and 8 years in analytical method development for both inorganic and organic determinations in drinking water and wastewater. Throughout her professional career, she has promoted accreditation and high ethical standards in the environmental laboratory. Ms. Mackenzie serves on the Board of the American Council of Independent Laboratories (ACIL) and is an active member of the ACIL Government Relations Committee. In her endeavor to improve lab accreditation in California, she served as a member of the California State Water Resources Control Board Environmental Laboratory Technical Advisory Committee (ELTAC) for four years. As an active member of ELTAC, she worked to reform the California accreditation program. Ms. Mackenzie holds a Bachelor of Arts in Biology and a Secondary Teaching Credential in Chemistry from the University of California, Riverside.