ferc issues draft environmental impact statement guardian pipeline ferc staff issues favorable draft environmental impact statement guardian pipeline ferc staff issued draft environmental impact statement determining construction guardian pipeline would limited environmental impact would environmentally acceptable action based proposed mitigation measures draft covers environmental aspects constructing operating 149 mile guardian pipeline ferc take written public comments draft august 28 th conduct four public meetings along guardian route starting august 14 th address comments issuing final environmental impact statement project final decision guardian pipeline expected early next year guardian pipeline transport volumes interconnections alliance northern border midwestern gas transmission ngpl chicago hub northern illinois southern wisconsin markets project consist 25 000 horsepower compression 141 miles 36 inch pipeline extending joliet ixonia wi additional 8 5 miles 16 inch pipeline extending main guardian line near eagle wi