An Environmental Record Review (ERR) may be conducted as part of a commercial real estate transaction to determine if the property has been subject to recognized environmental conditions such as hazardous materials spills or petroleum products. In response to an ERR request, Tri-County will search our records of historic solid waste disposal sites, On-site Wastewater Treatment Systems, clandestine methamphetamine labs, and complaints regarding possible hazardous materials spills or hazardous waste releases.