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Overview ? Nerve Agents. Tabun (GA)1936 - easiest to manufactureSarin (GB)1938 - lethal through inhalationSoman (GD) 1944 - fastest killing, lethal by inhalation and skin contactVX 1952 - lethal by inhalation and skin contact. Overview ? Pesticides. Readily available for farm and home useR
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1. Organophosphates
Nerve Agents/ Pesticides
2. Overview – Nerve Agents Tabun (GA)
1936 - easiest to manufacture
Sarin (GB)
1938 - lethal through inhalation
Soman (GD)
1944 - fastest killing, lethal by inhalation and skin contact
VX
1952 - lethal by inhalation and skin contact
3. Overview – Pesticides
Readily available for farm and home use
Requires only an exterminator’s license
Common lethal pesticides
TEPP (tetraethyl pyrophosphate)
Parathion
nicotine sulfate
DFP (diisopropyl-phosphorofluoridate)
4. Overview – Toxicity Estimated LCt50s by inhalation 400 mg-min/m3 for Tabun 100 mg-min/m3 for Sarin 50 mg-min/m3 for Soman 10 mg-min/m3 for VX Percutaneous LD50s 1000 mg 1700 mg 350 mg and 6-10 mg, respectively