Table 2.

French and British gas casualties due to German cylinder attacks

	French army losses	British army losses
Period of attacks	(19 October 1915 to 1 July 1917)	(19 December 1915 to 8 August 1916)
Total no. of attacks	11	5
Total no. of casualties (deaths and ‘gassed’)	10 511	4 202
Total no. of nonfatal gassed casualties	8 522	3 196
Total no. of fatal casualties	1 989	1 008
Average no. of all casualties per attack	955.5	840.8
Average no. of nonfatal casualties per attack	774.7	639.2
Average no. of fatal casualties per attack	180.8	201.6
Overall mortality rate (deaths from gassing as a percentage of gas casualties)	18.9%	24%

Based on information in TNA MUN 142/109, report from Brigadier General Director of gas services, 3 February 1919.