ISGS Pilot Injection — Douglas St, Brooklyn NY

Project Overview

IET executed a pilot-scale In Situ Geochemical Stabilization (ISGS) injection at Douglas Street, Brooklyn, New York for ECD NY Inc. The pilot program delivered 13,080 pounds of ISGS amendment combined with a hydrogen peroxide (H₂O₂) feed system, utilizing IET's proprietary chemical mixing and injection trailer system.

The program was personally supervised by IET President Mike Scalzi (30 hours on-site) and VP of Field Operations Ian Connor (3 days), reflecting the technical complexity and strategic importance of this urban New York pilot test. The ISGS technology — licensed exclusively by IET in North America from Evonik Corporation — uses modified permanganate solutions for NAPL stabilization and flux reduction in dense urban subsurface environments.

Bentonite chips, neutralization materials, and a compressor/header system were deployed to ensure effective delivery, containment, and pH management during the 3-day field program.

Program Components

• IET Injection Trailers (×2) — Chemical Mixing & Injection System
• 13,080 lbs ISGS Amendment (IET patented/licensed formulation)
• Compressor and Header with H₂O₂ feed system for enhanced oxidation
• Bentonite chips for borehole completion and containment
• Neutralization materials for pH management and geochemical control
• On-site supervision: Mike Scalzi (President) + Ian Connor (VP Field Ops)
• 3-man crew with full per diem and mob/demob

Project Details