	safety kleen sk to buy stake in oil refiner safety kleen corp said it has tentatively agreed to buy an pct stake in breslube enterprises of toronto for mln dlrs in stock cash and equipment price includes mln dlrs of safety kleen common stock cash and a rerefining plant owned by safety kleen closing of the deal is expected by may breslube is a leading rerefiner of used lubricating oils in north america collecting used oils from auto garages car dealers and other businesses in it refined mln gallons of used oil reuter 
