EMPLOYEE WAS IN THE PROCESS OF LABELING BARRELS OF HAZARDOUS WASTE FOR OFF-SITE DISPOSAL. SHE SLIPPED ON FROST-COVERED CONCRETE PAD AT THE WASTE STORAGE BUNKER, STRIKING HER CHIN ON THE BOLT O F A BARREL CLAMP RESULTING IN A CUT ON THE RIGHT SIDE OF HER JAW-LINE REQUIRING 8 STITCHES TO CLOSE. THE FIRST SNOWSTORM OF THE SEASON HAD COME THROUGH THE PREVIOUS EVENING, LEAVING ICE/SNOW.