Table 2

Characteristics of sarin exposure in 2975 Porton Down veterans

Sarin-exposed Porton Down veterans (n=2975)
n (%)
Decade of first test at Porton Down
1940s71 (2.4)
1950s2166 (72.8)
1960s363 (12.2)
1970s266 (8.9)
1980s109 (3.7)
Number of sarin tests
12783 (93.5)
2+192 (6.5)
Sarin exposure quantity (dose)*
Unknown492 (19.0)
Low (air<15 mg.min/m3)1455 (55.4)
High (air>15 mg.min/m3)657 (25.5)
Protective equipment†
Physical683 (23.0)
Chemical731 (24.6)
State
Vapour2577 (86.7)
Liquid349 (11.7)
Not recorded47 (1.6)
Chemical co-exposure
Other nerve agents11 (0.4)
Sulphur mustard954 (32.1)
CS (2-chlorobenzylidene malononitrile)‡215 (7.2)
CR (dibenzoxazepine)238 (8.0)
Pralidoxime175 (5.9)
Atropine364 (12.2)
Pyridostigmine23 (0.8)
Sarin-only exposed‡1430 (48.1%)
  • *Chamber tests only.

  • †Both physical and chemical protection recorded for 167 veterans.

  • ‡Allows for co-exposure to rubber mixes and sulphur mustard sensitivity tests.