Smith Consulting Group provides a broad range of consulting services on matters involving federal and/or state agencies such as the U.S. Environmental Protection Agency , the California Department of Toxic Substances Control and regulations such as CERCLA/Superfund , RCRA , the Clean Air and Clean Water Acts and Proposition 65 . We are frequently retained by the world’s largest corporations in the oil and gas, electric utility, manufacturing, aerospace, pharmaceutical and waste transport and disposal industries to lend our expertise to addressing environmental issues, engaging investigations, or performing insurance policy and/or claim analyses. We have assisted clients and counsel with dispute mediation, Federal and state court proceedings, regulatory agency oversight and hearings and insurance claims.