[§340E-23]  Rules.  The director, byrules adopted under chapter 91, may establish state standards which shallsupersede interim action levels.  As soon as practicable and within two yearsof the establishment of an interim action level, and every two years thereafteruntil a federal or state standard is established to supersede an interim actionlevel, the director of health shall review all available scientific informationto determine whether there is sufficient basis to establish a state standard tosupersede an interim action level.  Prior to adopting rules to establish statestandards, the director shall conduct at least one public hearing to provideinformation to the public on the nature of the chemical contaminant underreview and to afford the public an opportunity to present information andconcerns to the department relating to the chemical contaminant under review.[L 1987, c 297, pt of §2(2)]