In an untreated composite of arsenic-impacted soil, the average soil concentration result was 3,720 mg/kg; the untreated, high-arsenic-impacted sample was 6,330 mg/kg. The average sample resulted in leaching of 18.9 mg/L in TCLP prior to treatment. A dosage rate of 1% wt./wt. EnviroBlend® HXD reduced arsenic leachability to 0.69 mg/L. The highly impacted area, untreated sample leached at 50.6 mg/L in TCLP testing. Dosage of 2% wt./wt. met TCLP criteria, and further dosage dropped the concentration of leachable arsenic.

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These case studies are examples of the extensive work EnviroBlend has completed across the United States. For more information on our project experience please contact us.