1. Anderson, D. L., Lewis, A. L., & Sherman, K. M. (1989). Unsaturated zone monitoring below sub-surface wastewater infiltration systems serving individual homes in Florida. In Focus conference on eastern regional groundwater issues, 17–19 October. Kitchener, Ont
2. Natural attenuation of aromatic hydrocarbons in a shallow sand aquifer;Barker;Ground Water Monitoring Review,1987
3. Barker, J. F., Cherry, J. A., Reindard, M., Pankow, J. F., & Zapico (1989). Final Report: The occurrence and mobility of hazardous organic chemicals in groundwater at several Ontario landfills. R.A.C. Project No. 118 PL for Environment Ontario
4. Chan, H. T. (1978). Contamination of the Great Lakes by private wastes. Report prepared by the International Joint Commission Pollution from Land Use Activities Reference Group, Task Group C (Canadian Section) Parts 1 and 2, Activity 3. Windsor, Ont. (PLUARG 78-080)
5. City of Toronto, Department of Public Works (1985). Analysis of snow samples: Unwin avenue and pottery road snow disposal areas