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mining gypsum equipment standards

The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.EPA promulgated the Mineral Mining and Processing Effluent Guidelines and Standards (40 CFR Part 436) in 1975and amended the regulation in 197619771978and 1979.The regulation covers wastewater discharges from mine drainagemineral processing operations and stormwater runoff..

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