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<strong>IGC</strong> Part 1 Annex 1A Valve Outlets for Toxic Gases DOC 97/03<br />
Gas<br />
Name Chemical<br />
(former name) Formula<br />
Ethylene Oxide C 2H4O<br />
Carbonyl Sulfide COS<br />
Hydrogen Sulfide H 2S<br />
Phosphine PH 3<br />
Hydrogen Selenide SeH 2<br />
Ammonia NH 3<br />
Bromo Methane CH 3Br<br />
(methyl bromide<br />
Hydrogen Bromide HBr<br />
Hydrogen Fluoride HF<br />
Hydrogen Iodide HI<br />
Nitrogen Trifluoride NF 3<br />
Internal<br />
Left Hand Right Hand<br />
22.48 22.91 22.92 9.73 16.66 21.8 26<br />
1.814 1.814 1.814 0.94 1.411 1.814 1.5<br />
0.885 G 5/8 BSP 1/8 3/8 SI SI<br />
14 NGO 5/8/16 F 14 27 NGT 18 NGT<br />
**SP,PT 26.1 (1.814)<br />
* SP,PT 21,8 (21.7) 10<br />
(M) Mandatory<br />
(P) Prefered<br />
(NF) Not Forbidden