EE STATES SHE WAS SWATTING AT MOSQUITOES WHEN THIS INCIDENT OCCURRED. EE WAS PERFORMING A PRE-OPERATION INSPECTION OF RECOVERY PIT PUMP. AS SHE APPROACHED MOTOR DISCONNECT SWITCH SHE SLIPPED I N A PUDDLE OF SLIMES. SHE STATES SHE DID NOT FALL BUT MOMENTARILY LOST HER FOOTING. SHE COMPLAINED OF BACK PAIN A FEW HOURS LATER. SHE WAS SEEN BY COMPANY DR. AND PLACED ON RESTRICTIONS.