EMPLOYEE WAS CARRYING A 5 GALLON BUCKET OF LIME SAMPLES WHEN HE SLIPPED & FELL ON A WET SURFACE AS HE WAS ENTERING #3 BURNER BUILDING. EMPLOYEE MISSED NEXT SCHEDULED SHIFT & WENT TO DOCTOR WHO BELIEVED THE ROTATOR CUP IN RIGHT SHOULDER MAY BE TORN. EMPLOYEE TO OBTAIN AN MRI ON 9/6/00.