RT null T1 Cost-Effectiveness Payback Period Transformer Model for PCB Study A2 Scholand, Michael K1 persistent organic pollutant YR 2023 FD 2023-07 LK https://wedocs.unep.org/handle/20.500.11822/43124 UL https://wedocs.unep.org/handle/20.500.11822/43124 NO The model is an Excel spreadsheet developed in order to estimate the necessary investment and the benefits for upgrading the distribution and transmission transformers in service that may contain hazardous levels of PCBs in the cooling fluid. This pdf documents the use of the model. NO https://wedocs.unep.org/handle/20.500.11822/42279/ DS UN Environment Document Repository RD Sep 16, 2026