Alberta's energy regulator may have ignored provincial law by not publicly disclosing that waste from a large oilsands tailings pond was escaping containment and seeping into groundwater, says a lawyer. Drew Yewchuk of the University of Calgary's Public Interest Law Clinic is asking the province's information and privacy commissioner to investigate how and why the Alberta Energy Regulator chose not to release information on the leak at Imperial Oil's Kearl mine, despite direction in provincial law to do so.