Containers used for pesticide storage and handling shall be of materials and construction Cornpatible with the pesticide stored and the conditions of storage and maintained in a manner as to minimize the possibility of a spill.
Locking devices are required on bulk pesticide storage containers and all valves shall be closed and locked when the facility is left imattended.
Containers, pipes and valves must be protected against reasonably foreseeable risks of damage by trucks and other moving vehicles.
Iowa Admin. Code r. 21-44.8