Cathy W. Dougherty, PE
CEO, Principal Engineer
Rowlett, TX
972-412-8666
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Curtis W. Franklin, CHMM
President, Principal Scientist
Euless, TX
817-540-4100
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Charles W. Sprague, PG
Vice President - Operations
Rowlett, TX
972-412-8666
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John T. Dougherty
Vice President - Marketing
Rowlett, TX
972-412-8666
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Christopher Dougherty
Human Resources
Rowlett, TX
972-412-8666
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Deborah A. Farris, CEI
ESA Project Manager, Pb Risk Assessor
Rowlett, TX
972-412-8666
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Paul W. Heidgerd, PG
Sr. Geologist, Individual Asbestos Consultant
Rowlett, TX
972-412-8666
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Sherri Godsey
Environmental Scientist
Rowlett, TX
972-412-8666
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David Horn
Environmental Scientist, Individual Asbestos Consultant
Euless, TX
817-540-4100
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David McCarty, REM
Environmental Scientist
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Charlotte Stockard
Environmental Scientist
Rowlett, TX
972-412-8666
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Peggy J. Henger
Administrative Assistant
Rowlett, TX
972-412-8666
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Scott Farris
Senior Analyst
Rowlett, TX
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Rowlett/Dallas Office

3902 Industrial St., Suite A
Rowlett, Texas 75088
Phone: 972-412-8666
Fax: 972-412-8660
Toll Free: 877-373-3734

Euless Office

414 North Main St., Suite 216
Euless, Texas 76039
Phone: 817-540-4100
Fax: 817-540-4101