EE WAS POURING WASTE OIL INTO 500 GALLON TANK WHEN HE HEARD A POPPING SOUND IN HIS RIGHT ELBOW, STRAIN RIGHT ELBOW. HE REPORTED THE INCIDENT TO HIS SUPERVISOR AND WAS RECORDED AS INFORMATION O NLY AS THE EE DID NOT THINK HE NEEDED MEDICAL HELP. HE WANTED TO SEE IF IT WOULD GET BETTER IN TIME. WHEN INJURY BECAME WORSE WITH TIME, EE WENT TO DR ON 10-2-03.