a portable , lightweight , easy - to - carry , reusable , durable , and environmentally - friendly assembly for sterilizing contaminated equipment using conditions of a chemical sterilant , heat , and humidity generated in situ without requiring external electricity , fuels , or other exogenous energy sources for operation . the carry assembly includes a plastic carry - case or insulated aluminum pressure vessel having an inner chamber for accepting microbiologically contaminated objects , a vessel disposed in the chamber for serving as a reaction chamber and / or boiler , a chemical combination which upon mixing generates at least minimally sufficient conditions of the sterilant , heat , and humidity to effect sterilization of the objects , and outlet valves mounted on the carry - case for controllably venting pressures above ambient air pressure .