Hazardous materials accident report. Puncture of a cylinder containing a mixture of methyl bromide and chloropierin following the overturn of a tractor /semitrailer, Collier County, Florida, November 30, 1988.

The report explains the overturning of a tractor- trailer loaded with cylinders of poisonous gas. The safety issues discussed here include the adequacy of the motor carrier's program for hering, qualifying, and monitoring drivers, emergency communications; hazard warning placards; design standards for cylinder attachments; cylinder testing and inspection; and requirements for securing cylinders on vehicles.