Meeting labeling requirements of hazard communication standard for slag wool.

OSHA interpretation letter responding to Sloss Industries on labeling slag wool bales under the Hazard Communication Standard, 29 CFR 1910.1200. It approves an alternative labeling method using facility signs, rail car signs, labels and MSDSs with each shipment, and signs in accumulation areas, while noting paragraphs (f)(2) and (f)(6) do not apply.