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ore dressing nickel regulations

  • Sector G Metal Mining (Ore Mining and Dressing

    G. Metal Mining (Ore Mining and Dressing) 1. Authorized Stormwater Discharges. The requirements in Sector G apply to stormwater discharges associated with industrial activity from metal mining facilities as identified by the industrial activity code specified in Table 5 of Appendix D, including mines abandoned on Public lands on or after August 25, 1980, discharges from inactive facilities

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  • CFR Code of Federal Regulations Title 21

    (a) Elemental nickel (CAS Reg. No. 7440020) is obtained from nickel ore by transforming it to nickel sulfide (Ni3S2). The sulfide is roasted in air to give nickel oxide (NiO). The oxide is then reduced with carbon to give elemental nickel. (b)

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    Nickel ore is mined largely in Indonesia and the Philippines. Very little processing takes place when the ore is mined: it is usually dug up, sorted for size, stored in stockpiles and then shipped. Different mining methods are used in different areas, which can lead to variations in the physical consistency and moisture content of the cargo.

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  • Ore Mining and Dressing Effluent Guidelines Effluent

    EPA promulgated the Ore Mining and Dressing Effluent Guidelines and Standards (40 CFR Part 440) in 1975, and amended the regulation in 1978, 1979, 1982 and 1988. The regulation covers wastewater discharges from ore mines and processing operations. The Ore Mining Effluent Guidelines and Standards are incorporated into NPDES permits.

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    Electronic Code of Federal Regulations (eCFR) Title 40. Protection of Environment 40 CFR Part 440 ORE MINING AND DRESSING POINT SOURCE CATEGORY . CFR prev next. Subpart A Iron Ore Subcategory (§§ 440.10 440.15) Subpart B Aluminum Ore Subcategory (§§ 440.20 440.25) Nickel Ore Subcategory (§§ 440.70 440.75)

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  • National Primary Drinking Water Regulations: Nickel

    The principal natural form of nickel oxide occurs in admixture with nickel sulfides in varying proportions in weathered ore. Nickel carbonate, found as the mineral zaratite, is

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  • Carrying nickel ore: The worlds most dangerous cargo

    In recent years, much research has been carried out and regulations have been updated and amended, particularly the designation of nickel ore as a Group A cargo under the International Maritime Solid Bulk Cargoes (IMSBC) Code. In January 2014, the Indonesian government banned the export of nickel ore and the Philippines are now clamping down on

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  • Ore Mining and Dressing Effluent Guidelines US EPA

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  • [40 CFR 440] Title 40 Part 440 : Code of Federal Regulations

    Title 40 Chapter I Subchapter N Part 440 Electronic Code of Federal Regulations eCFR Title 40: Protection of Environment PART 440ORE MINING AND DRESSING POINT SOURCE CATEGORY. Contents. Subpart AIron Ore Subcategory 𨸐.10 Applicability description of the iron ore subcategory. (5,512 short tons) or more of nickel

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  • View Document California Code of Regulations

    Company Y's gross receipts from the sale of this steel constitute receipts from a qualified extractive business activity, because the additive (carbon) consists of 10 percent or less of the steel, and the refining of iron ore is defined as an extractive business activity. It makes no difference whether the carbon is self produced or purchased.

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