Site soils ranged from 1,000 mg/kg to 5,000 mg/kg arsenic, leaching from nonhazardous to over 30 mg/L. Soil was variable with some mine tailing inclusions. A 2% dosage of EnviroBlend CR50 was appropriate for the majority of site soils, and a 3% dosage of EnviroBlend CR50 was used for the pile/source area soils.

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