Mark McNamara has extensive experience with complex oil and gas defense, toxic tort claims, environment compliance, commercial litigation including bankruptcy and royalty disputes and response to petrochemical releases. He has handled a wide range of difficult, adversarial proceedings, including the defense of oil companies against property, air and groundwater contamination claims made by landholders and of landfill and recycling and sanitation facilities against claims by neighboring landowners and environmental action groups. In addition, Mark has extensive experience representing companies in the defense of property and personal injury claims related to naturally occurring radioactive materials (NORM). He has appeared before the Louisiana Department of Environmental Quality, Louisiana Department of National Resources and the Louisiana Public Service Commission on a variety of matters for Houston-based oil companies, waste and recycling companies and public utilities. Mark has also advised clients regarding a variety of regulatory matters, including compliance with both state and federal regulations for oil and gas, wetlands issues, remediation, waste disposal, air and water discharge, permitting and electric cogeneration matters.