RCW 69.55.030: Damages—Liability.

Any damages arising out of the unlawful possession of, storage of, or tampering with pressurized ammonia gas or pressurized ammonia gas solution, or pressurized ammonia gas equipment or pressurized ammonia gas solution equipment, shall be the sole responsibility of the unlawful possessor, storer, or tamperer. In no case shall liability for damages arising out of the unlawful possession of, storage of, or tampering with pressurized ammonia gas or pressurized ammonia gas solution, or pressurized ammonia gas equipment or pressurized ammonia gas solution equipment, extend to the lawful owner, installer, maintainer, designer, manufacturer, possessor, or seller of the pressurized ammonia gas or pressurized ammonia gas solution, or pressurized ammonia gas equipment or pressurized ammonia gas solution equipment, unless such damages arise out of the owner, installer, maintainer, designer, manufacturer, possessor, or seller's acts or omissions that constitute negligent misconduct to abide by the laws regarding pressurized ammonia gas or pressurized ammonia gas solution possession and storage.