Low Temperature Thermal Desorption of VOC’s, Cresol,and Vinyl Chloride; The site was developed in the early 1940s by the US Government for the manufacture of mili- tary aircraft. In 1946, Westinghouse Corporation purchased the site for the manufac- ture of electric motors and related electrical components.

Over the years portions of the site were sold to other parties including the Buffalo Airport Center Associates. Up until 1991, Westinghouse continued to manufacture electric motors and components with various manufacturing and warehousing ope- rations being conducted on the other parcels. Due to expansion of the airport, NFTA purchased the remainder of the property for construction of taxi-ways and runway clear zones.

Phase I site investigations triggered a series of assessments and evaluations that led to the ROD and subsequent clean-up. The soil was already excavated and sieved by a previous unsuccessful contractor. Haemers Technologies has contracted the thermal desorption part of the contract for the PAH contaminated soil.

Contaminated soils were processed by a counter flow, direct fired LTDU (Low Temperature Desorption Unit) with nominal capacity of 40 tons (US) per hour. The equipment train included a prescreener, belt scale conveyor, rotary dryer, fabric filter bag house, thermal oxidizer, soil moisturizer, and radial stacker. LPG (Propane) was used as process fuel from a portable tank. Electricity was supplied by a portable diesel generator. Two (2), three (3) cubic yard ubber tire front end loaders were used for screening, feeding, and removal of soils.

The soil to be treated contained TCA, TCE, Toluene, Ethyl benzene, Vinyl Chloride, Cresol, and other hydrocarbons. Concentrations and Clean-Up levels are shown in the table below. Despite high moisture (>20%) and clay content, all soils tested clean after initial treatment. A successful stack test was performed in the early stages of the project and continuous emission monitoring was conducted during the entire project.

All processed soils were used on site for excavation backfill. Rock and debris were disposed of off-site. This project was completed during winter in a very cold (as low as -4 F) and harsh (rainy, windy) climate without a single sample failure. Hours of operation were 24 hours/day, 6 days/week.

This project was designed and executed by the current Haemers Technologies team, when they workedd within the legal entity TPS Technologies Inc, which belongs to the Haemers Technologies group.