Temporary deleted text begin environmental well deleted text end new text begin boring new text end .

deleted text begin "Temporary environmental well" means an environmental well as defined in section 103I.005, subdivision 8a , that is sealed within 72 hours of the time construction on the well begins. deleted text end new text begin "Temporary boring" means an excavation that is 15 feet or more in depth, is sealed within 72 hours of the time of construction, and is drilled, cored, washed, driven, dug, jetted, or otherwise constructed to: new text end

new text begin (1) conduct physical, chemical, or biological testing of groundwater, including groundwater quality monitoring; new text end

new text begin (2) monitor or measure physical, chemical, radiological, or biological parameters of earth materials or earth fluids, including hydraulic conductivity, bearing capacity, or resistance; new text end

new text begin (3) measure groundwater levels, including use of a piezometer; and new text end

new text begin (4) determine groundwater flow direction or velocity. new text end