Rule 15-18-77-5.2.1 - General1. All Advanced Treatment Systems installed in the state of Mississippi shall be in compliance with the current revision of the National Sanitation Foundation/American National Standard Institute International Standard 40 or 245 testing protocol, hereby incorporated into regulation by reference and shall be certified by an approved third party certification program. The Division will maintain a current listing of registered and certified manufacturers. The current list will be made available by the Department.2. The Department shall only approve individual Advanced Treatment Systems that have no discharge of wastewater off the property of the generator.3. All Advanced Treatment Systems must be installed according to the Certified Manufacturer's specifications by a factory-trained installer that is an authorized representative of the manufacturer.15 Miss. Code. R. 18-77-5.2.1