included stabilization design and pilot testing, and the excavation and ex-situ treatment of 50,400 tons of zinc- and lead-impacted mine tailings using patented dry treatment reagents.... Weymouth Neck Project ConocoPhillips/URS/Clean HarborsSouth Weymouth, Massachusetts SSTT provided stabilization recipe design, pilot testing, field supervisor and reagent... procurement for the in-situ treatment and processing of arsenic- and lead-bearing soil at the Weymouth Neck Project. The stabilized soils were tested by both TCLP and SPLP methods...