EMPLOYEE WAS EXCHANGING LP TANKS FOR HIS FORKLIFT WHILE IT WAS RAINING AND LOST HIS FOOTING AND FELL ON THE CONCRETE. HE HAD ABRASIONS ON HIS RIGHT ELBOW, BRUISED HIP, AND SAID HIS RIB CAGE WAS SORE. HE SOUGHT FIRST AID FOR THE ABRASIONS,AT THE TIME OF THE INCIDENT. HE WAS TAKEN TO THE E.R AND DIAGNOSED WITH A RIB FRACTURE.