THE EMPLOYEE WAS LOADING HIS POWDER TRUCK WITH EMULSION AT THE 4100 EMULSION BAY. WHEN HE STEPPED OFF THE ELEVATED CURB WHERE THE EMULSION TOTES ARE STORED, HE FELT A ""POP"" IN HIS RIGHT FOOT A ND IMMEDIATE PAIN. HE WAS TAKEN TO THE E.R. FOR EVALUATION AND TREATMENT. HE WAS DIAGNOSED WITH A FRACTURE AND RELEASED TO FULL DUTY.