H2A Environmental, Ltd. is very pleased to announce that Charles D. Stone, P.G., P.E. has joined our team to further enhance the strategic scientific solutions we provide our clients. Charles will be opening an Austin, Texas office for H2A, and he will provide principal level technical expertise to a wide variety of technical and regulatory issues. The following is a brief summary of Charles’ background and experience.
Charles has provided significant contributions to the development of non-aqueous phase liquid (NAPL) assessment, groundwater classification, and remediation guidance, including for ASTM International (E-2856, E-1943, current revision of E-2531), ITRC (LNAPL-1, LNAPL-2), and the TCEQ (TRRP-8, TRRP-32, TRRP-33, Draft TRRP-12A).
Charles received his Bachelor of Science degree in Geological Sciences from The University of Texas at Austin and his Master of Science degree in Geochemistry from University of Tennessee – Knoxville. He has additional engineering and graduate geochemistry coursework at The University of Texas at Austin. He is a Texas-licensed Professional Engineer (P.E.) and Professional Geoscientist (P.G.) and has represented the Remediation Division on the Texas Commission on Environmental Quality (TCEQ) P.E. Workgroup and the TCEQ P.G. Workgroup.
Most recently, Charles worked for the TCEQ and its predecessor (Texas Natural Resources Conservation Commission – TNRCC) in the Technical Support Section of the Remediation Division. Charles served as Senior Engineer and Senior Hydrogeologist responsible for providing technical support to the Remediation Division and the regulated community in the areas of exposure pathway risk calculations and modeling, groundwater hydraulics and modeling, aquifer test analysis, response action strategies, hydrostratigraphic analysis, soil and groundwater geochemistry, soil and groundwater remediation engineering, NAPL assessment and management, NAPL remediation, monitored natural attenuation modeling and geochemistry, natural source zone depletion assessment and modeling, indoor air vapor intrusion risk assessment and modeling, environmental statistical models and analysis, surface water hydrology and modeling, and evaluation of remediation technical impracticability demonstrations.
Previously, Charles was a Project/Contract Manager in the TNRCC PST State Lead Section and was responsible for managing over 100 leaking petroleum storage tank sites in the Panhandle of Texas. He managed specifications and budgets of State contracts for site assessment and remediation.
Prior to that, Charles managed the Hazardous Waste Division at M&E (Metcalf and Eddy) – Pacific, located in Honolulu, HI. He managed environmental contracts for the U.S. Army Corps of Engineers, Department of the Navy, U.S. Air Force, and the U.S. Department of Transportation and was a regional M&E Technical Resource.