It isn't hard to deactivate. Caustic soda would do it.
The P-F bond is easily broken by nucleophilic agents, such as water and hydroxide. At high pH, sarin decomposes rapidly to nontoxic phosphonic acid derivatives. It is usually manufactured and weaponized as a racemic mixture—an equal mixture of both enantiomeric forms—by the alcoholysis reaction of methylphosphonyl difluoride with isopropyl alcohol:
http://en.wikipedia.org/wiki/Sarin
The P-F bond is easily broken by nucleophilic agents, such as water and hydroxide. At high pH, sarin decomposes rapidly to nontoxic phosphonic acid derivatives. It is usually manufactured and weaponized as a racemic mixture—an equal mixture of both enantiomeric forms—by the alcoholysis reaction of methylphosphonyl difluoride with isopropyl alcohol:
http://en.wikipedia.org/wiki/Sarin