(a) Dry cleaning systems must be operated and maintained to ensure that perc releases are contained and do not migrate to sewer systems or groundwater.
(1) For existing dry cleaning equipment:
(i) floor drains and flooring in the vicinity of the equipment must be sealed so as to be impermeable to spills, or
(ii) temporary dikes, berms and containment devices must be placed in areas where spills are most likely to occur and procedures for preventing spill migration must be established and followed.
(2) For new dry cleaning equipment, a spill containment system must be installed under the equipment as specified in paragraph (a)(7) of 15 RCNY § 12-06. This spill tank shall be capable of holding 125% of the capacity of the largest perc tank or vessel that is part of the dry cleaning machine.
(b) In the event of a perc release, the owner, operator or a designee must take all reasonable measures to ensure the release is contained. These measures must include, where applicable, stopping processes and operations, increasing room exhaust ventilation, collecting and containing released perc and removing and maintaining containers.
(c) If the facility owner and/or operator knows or has reason to know of any release of one (1) pound or more of perc (1 pound of perc is equivalent to 0.0740 gallons of perc), a fire, or an explosion, then the facility owner and/or operator shall report the perc release, fire, or explosion to the Department immediately and shall also comply with all other reporting requirements of 15 RCNY Chapter 11 governing Hazardous Substances Emergency Response.
(d) Any emergency response action must be recorded as specified in 15 RCNY § 12-12. This record must include, at a minimum:
(1) The date, duration and nature of any malfunction, spill or incident of the dry cleaning system;
(2) The notification procedures; and,
(3) The corrective actions taken.