BS PD CEN/TS 1852-2:2015 Plastics piping systems for non-pressure underground drainage and sewerage. Polypropylene (PP). Guidance for the assessment of conformity
EN 1852-1:2009 Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Part 1: Specifications for pipes@ fittings and the system
EN ISO 9001 Quality management systems - Requirements (ISO 9001:2015)
EN ISO/IEC 17020 Conformity assessment - Requirements for the operation of various types of bodies performing inspection (ISO/IEC 17020:2012)
EN ISO/IEC 17021-1 Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 1: Requirements (ISO/IEC 17021-1:2015)
EN ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories*， 2017-12-01 Update
ISO 9001 Quality management systems*， 2024-01-01 Update
ISO/IEC 17020 Conformity assessment - Requirements for the operation of various types of bodies performing inspection
ISO/IEC 17021-1 Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 1: Requirements
ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories*， 2017-11-29 Update
BS PD CEN/TS 1852-2:2015 history
2015BS PD CEN/TS 1852-2:2015 Plastics piping systems for non-pressure underground drainage and sewerage. Polypropylene (PP). Guidance for the assessment of conformity
2009BS DD CEN/TS 1852-2:2009 Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Guidance for the assessment of conformity
2001BS DD ENV 1852-2:2001 Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Guidance for the assessment of conformity