Table 28.2 - Approximate atmospheric lifetimes of ozone depleting compounds, adopted chlorine loading potentials (CLP), and best estimate of ozone depletion potential (ODP) with CFC-11 as reference

Source: WMO, 1991

Species Atmospheric
lifetimes (years)
CLP ODP
CFC-11 55 1.0 1.0
CFC-12 116 1.597 ~1.0
CFC-113 110 1.466 1.07
CFC-114 220 2.134 ~0.8
CFC-115 550 2.964 ~0.5
HCFC-22 240 0.152 0.055
HCFC-123 47 0.0185 0.02
HCFC-124 129 0.0421 0.022
HCFC-141b 76 0.154 0.11
HCFC-142b 215 0.185 0.065
HCFC-225ca 60 0.0230 0.025
HCFC-225cb 120 0.0656 0.033
CCl4 47 1.018 1.08
CH3CCl3 47 0.114 0.12
H-1301 67 0 ~16
H-1211 40 0 ~4
H-1202 33 0 ~1.25
H-2402 38 0 ~7
H-1201 58 0 ~1.4
H-2401 46 0 ~0.25
H-2311 29 0 ~0.14
CH3Br 35 0 ~0.6