EE was lifting coal buckets full of refractory material on the 2nd flr. of the #5 side of the preheater. No medical treatment was sought at the time of the injury. EE was sent to a local Dr. on 3/28 then an MRI and X-rays on 3/29 and was seen by a back specialist on 3/31/11. Possible herniated disk of L4-5. EE will be off at least 6 weeks doing P.T.