Weymouth Neck Project

ConocoPhillips / URS / Clean Harbors

Weymouth 10

Project Details

  • Technology: Proprietary blend of three reagents to meet both TCLP and SPLP requirements for lead and arsenic, reagents delivered in bulk and mixed in-situ >with specialized blending equipment
  • Regulatory: Massachusetts Contingency Plan (MCP)
  • Type: In-Situ Chemical Fixation Project
  • Position: Remediation Contractor
  • Contaminating metal: Lead (Pb) and Arsenic (As)
  • Volume of media: 55,700 Tons
  • Type of material: Fertilizer Manufacturing Waste
  • TCLP baseline: 28-44 mg/l
  • TCLP treated: <0.75mg/l to ND
Soil Solutions HMR provided remediation 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 remediated soils were tested by both TCLP and SPLP methods, and the treated soil passed MA GW-3 groundwater standards and RCRA TCLP levels for onsite reuse.

Treatment operations were performed in-situ to depths of 15’ with specialized slurry/mixing equipment.

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