Sections 34A-6-1.7, 34A-6-1.9, and 34A-6-1.17 do not apply to existing facilities or to any new facility which handles less than twentyfive thousand tons per annum, unless required by federal law or regulation or unless the department can affirmatively demonstrate in a specific case that groundwater contamination is actually occurring.

Source: SL 1989, ch 306, § 18A; SL 1994, ch 282.