Listings to new standard help polyolefin manufacturers be more competitive Brea, Calif. — The ICC Evaluation Service (ICC-ES) is now listing non-pressure polypropylene or polyethylene pipes and fittings for use in drainage, waste and vent applications to the new Standard Specification for Polyolefin Pipe and Fittings for Drainage, Waste, and Vent Applications (ASTM F3371). Prior Read more