ON 8/19/04 EE FELL WHILE WORKING INSIDE A SLURRY TANKER CAR (RAILCAR) REMOVING ""HEEL"", SUSTAINING A LOWER LUMBAR STRAIN. EMPLOYEE WAS SEEN BY ORTHOPEDIC SURGEON, RETURNED TO WORK WITHOUT RESTRICTIONS, BUT ADVISED PHYSICAL THERAPY. EE CONTINUED TO WORK WITHOUT RESTRICTIONS UNTIL 1/19/05 WHEN HE WAS TREATED BY PHYSICAL THERAPIST.