1983 Ed.] Dangerous Goods (General) Regulations [CAP. 295
Gas Filling ratio Working pressure in kPa
(1) (2) (3)
Chlorotrifluoromethane (Arcton 13, Freon 13) 0.90
Cyclopropane 0.48 1 875
Dichlorodifluoromethane (Arcton 12, Freon 12) 1.08 1 585
Dichlorofluoromethane (Arcton 21, Freon 21) 1.20 494
Dichlorotetrafluoroethane (Arcton 114, Freon 114) 1.26 556
Dimethylamine 0.44 607
Ethyl Chloride 0.79 415
Ethylene 0.27
Ethylene Oxide 0.76 530
Hydrocyanic Acid Gas (Stabilized) 0.57 275
Methyl Bromide 1.39 700
Methyl Chloride 0.78 1 430
Monochlorodifluoromethane (Arcton 22, Freon 22) 0.90 2 620
Monomethylamine 0.54 1 075
Nitrous Oxide (if impurities present do not exceed 0.1%) 0.667
Nitrous Oxide (except as specified above) 0.625
Sulphur Dioxide 1.19 1 160
Trichloromonofluoromethane (Arcton 11, Freon 11) 1.30 258
Trimethylamine 0.51 1 075
B 37 [Subsidiary]
Any other liquefied gas not above specified, excepting liquefied air or oxygen or a gas which liquefies at atmospheric pressure. As determined by the Authority. As determined by the Authority.
(3) No person shall fill any cylinder, or cause or permit any cylinder to be filled, with any hydrocarbon gas mixture composed of or mainly of butane, isobutane and propane in excess of its capacity in litres multiplied by the filling ratio specified in the second column of the table to this paragraph in respect of a mixture having, in the liquid state, a density specified in the first column of the table at a temperature of 15.5°C.
L.N. 119/83.