DEBORAH BARSOTTI NAMED MID-ATLANTIC REGIONAL VP AT MACTEC

ALPHARETTA, GA, March 12, 2008 – MACTEC Engineering and Consulting (MACTEC E&C) has appointed Deborah Barsotti, Ph.D, DABT, as Mid-Atlantic Regional Vice President. Bruce C. Coles, president of MACTEC E&C and chairman and CEO of MACTEC, Inc., the holding company (www.mactec.com), made the announcement. Barsotti is based in the firm’s Hamilton, NJ office.

Barsotti joined MACTEC in 1996 and most recently served as Mid-Atlantic Regional Operations Manager. She is responsible for technical consultation and project management of applied toxicology and risk assessment projects. Some of these include land acquisition and sale, state risk-based cleanups, CERCLA and RCRA remediation, indoor air problems, natural resource damage claims, and litigation support and strategy including toxic tort, product liability, class action, and workman's compensation claims.

Prior to joining MACTEC, she held positions in academia (Philadelphia College of Pharmacy and Science - Assistant Professor in Toxicology and Coordinator of the Toxicology Program), government (ATSDR - Division Director of Toxicology) and private industry (Exxon Biomedical Sciences - Group Head Hydrocarbon Solvents).

Barsotti has more than 20 years of experience in risk-based solutions for environmental problems. These include toxicological and risk assessment issues surrounding a variety of environmentally relevant substances such as polychlorinated biphenyls (PCBs), polychlorinated dioxins and furans, polyaromatic hydrocarbons (PAHs), petroleum hydrocarbons, chlorinated solvents, and metals. She is also a nationally recognized published expert on numerous substances including PCBs and dioxin/furan toxicity and risk assessment.

Barsotti is a Diplomate of the American Board of Toxicology. She has a Doctor of Philosophy degree in pathology from the University of Wisconsin and a Bachelor of Arts degree in biology from Humboldt State University.