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Hazardous waste transport management system

  • US 5,347,274 A
  • Filed: 09/16/1992
  • Issued: 09/13/1994
  • Est. Priority Date: 05/17/1990
  • Status: Expired due to Term
First Claim
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1. A system for managing vehicular transport of hazardous waste, such system comprisinga central data handler for maintaining records of hazardous waste materials being shipped in a plurality of waste shipment vehicles in a regiona plurality of vehicle RF transponders, each vehicle RF transponder being located on a waste shipment vehicle and including memory means for storing data, processing means for receiving and handling data, and RF transceiver means for bidirectionally communicating messages related to the data,a plurality of sensors on said vehicle for sensing conditions of hazardous waste material in a waste shipment which may change as said vehicle moves, said sensors sensing at least one of an environmental condition, reaction condition, leakage/emission condition and maintenance of intact hazardous waste load condition while the vehicle is in motion, and providing sensed data indicative of sensed condition to the RF transponder of such vehicle, anda plurality of base transponders distributed throughout the region, each base transponder including means for transmitting messages to and from the central data handler and further including RF base transceiver means for bidirectionally receiving and transmitting messages to and from each vehicle RF transponder within its range, wherein each vehicle transponder is programmed to transmit said sensed data to a base transponder, and the base transponder relays received messages to the central data handler for tracking waste shipments and condition of hazardous waste material included in each shipment as the waste shipment vehicle travels through the region near base transponder locations.

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