Tom Tomastik received his BS and MS degrees in geology from Ohio University in 1979 and 1981. From 1982 to 1988, Mr. Tomastik was employed as a consulting geologist involved in oil and gas exploration and development in southeastern Ohio. From December of 1988 until August of 2014, Tom was employed by the Ohio Department of Natural Resources, Division of Oil and Gas Resources Management, UIC Section. Tom retired from the Division in August of 2014. He was responsible for all of the Underground Injection Control (UIC) duties, which include performing independent reviews of applications for Class II saltwater injection, secondary and enhanced recovery projects, and Class III salt-solution mining wells in Ohio. Tom also planned and implemented highly complex groundwater conflict investigations involving oil and gas investigations. He provided technical expertise to the general public, oil and gas industry, governmental agencies and officials regarding Federal and State regulations, oil and gas and injection well construction, well operations, and groundwater contamination and stray gas investigations. He has authored or co-authored articles on various aspects of Ohio’s oil and gas industry, groundwater investigations, injection wells, solution mining, and geology. Tom is currently employed as a Senior Geologist and Regulatory Specialist with ALL Consulting of Tulsa, Oklahoma and is involved in injection well evaluation, permitting, and oversight, stray gas investigations, groundwater complaint investigations, water sourcing, induced seismicity and seismicity monitoring.