ClO is produced by the reaction of Cl with ozone—its observation thus demonstrated that Cl radicals not only were present in the stratosphere but also were actually involved in destroying ozone.
ClO dihasilkan oleh reaksi Cl dengan ozon—pengamatannya menunjukkan bahwa radikal Cl tidak hanya hadir di stratosfer tetapi juga benar-benar terlibat dalam menghancurkan ozon.