Implementing Guidelines for the Issuance of PS Certification Mark License for Pipes for Drain Waste

Implementing Guidelines for the Issuance of Philippine Standard (PS) Quality and/or Safety Certification Mark License for UPV-C Pipes for Drain Waste and Vent covered by PNS 1950:2003, Plastic piping system for soil and waste discharge (Low & High temperature) inside buildings - Unplasticized polyvinyl chloride (PVC-U)