Environmental impact assessment and mitigation for UNDEX testing / Julian Lee and Gerry Rude, Defence R&D Canada - Suffield, Sonia Thiboutot and Annie Gagnon, Defence R&D Canada - Valcartier. : D68-6/024-2010E-PDF

"In order to assess the environmental impact of underwater explosive disruption trials at DRDC Suffield, the contamination risk was investigated through exposure of water to TNT and RDX. In addition, various filtration techniques were tested to select a viable method of treating contaminated water. After analysis of contaminated and filtered water by High-Performance Liquid Chromatography (HPLC), the explosive concentrations for TNT and RDX were found to be below the Environmental Protection Agency (U.S.) criteria for Risk-Based Concentrations in Soil (Industrial). The relatively brief exposure of water to explosives during an underwater explosion trial was thus found to result in minimal contamination due to the slow dissolution kinetics of the explosives. It is concluded that the environmental impact of water contaminated by underwater explosion testing is minimal when mitigated by: 1) removing residual explosives immediately after a trial, 2) filtering the contaminated water using micron-size filters to remove particulates, and 3) disposing of the water in a sunlit area"--Abstract, page i.

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