1. Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, Ontario, Canada, M1C 1A4
2. AES Armitage Environmental Sciences, Inc., 391 North River Road, Vanier, Ontario, Canada, K1L 8C3
3. ARC Arnot Research and Consulting Inc., 36 Sproat Avenue, Toronto, Ontario, Canada, M4M 1W4