Patent ID: 8132357

Claim:
A method of fumigating the contents of a container having a main opening with at least one door, said method comprising the steps of: (a) securing the at least one container door in an open configuration; (b) placing at least one circulation fan, a tubular fumigant introduction line, and a plurality of tubular gas monitoring lines in predetermined positions within the container; (c) placing a portable containment door in the container main opening in covering relation therewith, said containment door including a peripheral edge having means for forming a peripheral seal with the container; (d) securing said containment door within the main opening; (e) forming a seal between the peripheral edge of said containment door and the container; (f) electrically connecting said circulation fan to an external electrical power source; (g) fluidly connecting said fumigant introduction line to an external fumigant source; (h) fluidly connecting each of said plurality of tubular gas monitoring lines to an external means for monitoring fumigant concentration; (i) sealing any remaining openings on the container; (h) injecting fumigant into the container via said fumigant introduction line until a predetermined fumigant concentration is achieved; (i) monitoring fumigant concentration; and (j) maintaining said fumigant concentration for a predetermined time period by selectively injecting additional fumigant.