Untreated, Soil 1 sample contained total lead of 14,800 mg/kg leaching at 1,900 mg/L; slag fragments were present in the soil unit and sample. A 3% dosage of EnviroBlend® CS reduced lead leachability to 0.21 mg/L (TCLP standard of 5.0 mg/L for lead). A 2% dosage of EnviroBlend FG reduced the leachable lead to 0.20 mg/L.
