Stanley Popelar has more than 25 years of experience in the fields of environmental consulting, geology, hydrogeology, hazardous waste management and applied science, with particular emphasis on site investigation, risk-based corrective action and remediation projects. He holds both BS and MS degrees in geology from California State University, Northridge, and is a licensed professional geologist in the states of California and Illinois. Stanley has extensive experience working with clients in California and the Midwest, performing environmental assessment and/or remediation of CERCLA, RCRA, LUST and voluntary brownfield sites, guiding clients to successful solutions for their environmental contaminant problems, and regulatory compliance. He has provided litigation support and acted as an expert witness on matters related to environmental sampling and data analysis. The sites investigated involve numerous industries including the steel industry, chemical manufacturing and recycling, retail petroleum, dry cleaning, machine tool manufacturing, construction equipment maintenance facilities, coal storage and transfer yards, railroad warehouse and bulk oil facilities, property development, military installations and landfills. He has also conducted geological and hydrogeological evaluation of proposed low-level radioactive disposal facilities, bedrock tunnel routes beneath Lake Michigan, offshore marine platform sites and existing and proposed aggregate and silica quarries.