However, as of March 2017, there is little evidence that this has occurred; for example the Dobson unit is still used by NASA and by the World Ozone and Ultraviolet Radiation Data Center in their reporting of total ozone amount.
Namun, pada Maret 2017, terdapat sedikit bukti bahwa hal ini telah terjadi; misalnya satuan Dobson masih digunakan oleh NASA dan oleh Pusat Data Radiasi Ultraviolet dan Ozon Dunia dalam melaporkan jumlah ozon total mereka.