“Non-aqueous phase liquid (NAPL)” means a liquid, containing any regulated contaminant, that is immiscible or only partially miscible in water and exists as a separate phase.

Source. (See Revision Note at chapter heading for Env-Or 600) #8812, eff 2-1-07; ss by #10831, eff 6-1-15 (from Env-Or 602.16); ss by #14419, eff 11-4-25, EXPIRES: 11-4-35