| During the Korean war, for example, it made more than 100 hazardous overflights of mainland China, airdropping agents and supplies. | 
| Many are turned into cesspools and dumping sites for solid waste, including hazardous materials. | 
| Regulations allow a maximum of 55 gallons of hazardous waste or 1 quart of acutely hazardous waste at each satellite accumulation area. | 
| The research could also be used in traffic monitoring, aerial photography and detecting hazardous substances. | 
| Murderers and convicted racketeers will no longer be permitted to drive hazardous materials on the nation's interstates. | 
| The Department of Defense produces more hazardous waste per year than the five largest U.S. chemical companies combined. |