I have 40 years of experience and specialize in the field of environmental hydrogeology and mining-related areas with specific knowledge in the areas of a range geological, hydrogeological and mining-related issues. I have published on such topics as environmental evaluations (brine, solvents, and BTEX), litigation in the geosciences and uranium exploration, development and environmental issues. I have testified 40 times such topics as as environmental evaluations (brine, solvents, and BTEX), litigation in the geosciences and uranium exploration, development and environmental issues.