1. (1) perc dry-to-dry machines that were installed or reinstalled after May 15, 1997; and

2. (2) alternative solvent dry-to-dry machines that are installed or reinstalled after the effective date of this Subpart.

   (b) Existing dry-to-dry machines without a spill pan.

3. (1) Floor drains and flooring in the vicinity of the equipment must be completely sealed so as to be impermeable to spills.
4. (2) Temporary dikes, berms and containment devices must be available for immediate placement in areas where spills are most likely to occur and procedures must be established and followed for preventing spill migration.

(a) New or reinstalled dry-to-dry machines.

The following dry-to-dry machines must be equipped with a spill containment system (spill pan) capable of containing 125 percent of the capacity of the largest dry cleaning process tank or vessel associated with the dry cleaning machine: