Ervin Ritter is registered to practice engineering in the states of LA, MS, TX, AR, MO, OK, IN, AL, GA, SC, NC, TN & VA. In the state of Louisiana, Ervin Ritter is also registered to practice Controls and Environmental Engineering. Ervin Ritter is accredited with the Louisiana Department of Environmental Qualtiy as an Asbestos Inspector, Asbestos Management Planner, Asbestos Abatement Project Designer and Lead Inspector/Risk Assessor