Ohio Revised Code Title LXI. Water Supply Sanitation Ditches § 6111.052

(1) “Blast furnace slag” means a nonmetallic material that is an intended output or intended result of the melting of iron ore or iron pellets together with coke and a flux in a blast furnace, that is sold and distributed in the stream of commerce as a product.

(2) “Steel slag” means an intended output or intended result of the use of an electric arc furnace or basic oxygen furnace to make steel that is all of the following:

(1) An exceedance of a water quality standard, including narrative standards, adopted under section 6111.041 of the Revised Code;

(2) An exceedance of a primary or secondary maximum contaminant level in ground water adopted under section 6109.04 of the Revised Code;

(3) A discharge that is prohibited by, or for which a permit is required by, United States environmental protection agency regulations, except in accordance with such permit;

(4) A threat to public health or safety or the environment.