Experiment names have been changed during writing up, see below for the names used in the datasets and the ACP article: NAME IN DATASET -> NAME IN ARTICLE; BASE -> BASE; NUDGEDBASE -> BASE(SD5); NUDGEDBASE_ERAI -> BASE(SDI); LBC -> VSLS ; NUDGEDLBC -> VSLS(SD5); NUDGEDLBC_ERAI -> VSLS(SDI); The units are kg-tracer/kg-air for all tracer concentrations, kg-HCl/kg-air for total chlorine, and seconds for age-of-air.

Data used in: 'Atmospheric impacts of chlorinated very short-lived substances over the recent past – Part 1: Stratospheric chlorine budget and the role of transport' by Bednarz et al. (2022), which has been accepted for publication in Atmospheric Chemistry and Physics.