An employee was removing lime from an outdoor pit by manipulating a 6" diameter hose from a vacuum truck. The pit was estimated to be approximately 8' to 10' x 4' x 7' deep. The employee was wearing a protective garment, goggles, and a cartridge respirator. The employee sustained second degree chemical burns from the lime to the neck, abdomen, both upper both arms, both thighs, and both ankles, as well as third degree burns on one ankle.