Ozone depleting substances and the greenhouse gases HFCs, PFCs and SF6, Danish Environmental Protection Agency

Ozone depleting substances and the greenhouse gases HFCs, PFCs and SF₆

Table 4.1
Developments in the import of greenhouse gases, tonnes.

Substance	1987	1989	1992	1994	1995	1996	1997	1998	1999	2000	2001
HFC-134a HFC-152a HFC-401a HFC-402a HFC-404a HFC-407c HFC-507a Other HFCs	0 0 - - 0 - - 0	0 0 - - 0 - - 0	20 4 - - 0 - - 0	524 51 - - 36 - - 1	565 47 - - 119 - - 14	740 32 - - 110 - - 20	700 15 - - 110 - - 65	884 14 15 10 146 17 10 15 ¹⁾	644.6 35.8 15 10 193.7 40 10 29.2¹⁾	711.1 16.4 9.5 4.2 193.1 44.7 23.85 24.14¹⁾	472.8 11.1 4.1 0.8 126.2 40.3 2.2 18.4¹⁾
All HFCs	0	0	24	612	745	902	890	1112	978.3	1026.9	676
Sulphurhexafluoride	n.i.	n.i.	15	21	17	11	13	9	12.1	9	4.7
Perfluorinated hydrocarbons	0	0	0	0	1.5	3	8	6	7.9	6.9	3.7

^{1) The category ’other’ includes HFC -408a, -409a, -410a +
HFC-365, HFC-23 and HFC-227 (in the emission calculation a worst-case figure is used on
the grounds of the GWP value for HFC-410a)
n.i. = no information available

n.e. = not evaluated}