| # | Reference | Title | Publication Date | |
|---|---|---|---|---|
| 1 | CEN/TS 1329-2:2021 | Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Guidance for the assessment of conformity | 2021-01-25 | |
| 2 | CEN/TR 17614:2021 | Standard method for assessing and improving the energy efficiency of waste water treatment plants | 2021-01-25 |