SCRAP CONSISTS OF STEEL SCRAP 100% HMS 1&2 (80:20) ISRI CODE 200 - 206 HMS 1 & 2 ISRI CODE 200 - 206 Non-metal impurities total 1% (one percent) or less, no radiation. Certificate of non-radiation), arms, ammunition, bombs, shells, mines, cartridges, sealed gas cylinders, high carbon steel is not included in this scrap. Free from mud, dust, fluff, non-ferrous inclusions, excessive rust and other impurities.