Eric Callahan is an environmental data management professional with 10 years of experience responding to incidents involving hazardous release of chemicals. He has been responsible for providing GIS, laboratory quality control, environmental sampling quality control, data analysis, and compliance consulting services. He has extensive experience working with stakeholders, including federal and state regulators, within the incident command system. He has knowledge of air, water, and soil sampling methods for compliance with resource compliance and recovery act (RCRA) regulations.