1. Biotechnology Research Institute, National Research Council Canada, 6100 Royalmount Avenue, Montreal, Quebec, Canada H4P 2R2; Beak International Incorporated, 14 Abacus Road, Brampton, Ontario, Canada L6T 5B7; Environment Canada, Quebec Region, Protection Directorate, 105 rue McGill, Montreal, Quebec, Canada H2Y 2E7; and Defense Research Establishment Valcartier, 2459 Pie-XI Boulevard North, Val Bélair, Quebec, Canada G3J 1X5