| CofA Number : | A120211 |
| CofA Issue Date : | September 12, 1985 |
| MOE Region : | West Central |
| MOE District : | Niagara |
| Certificate of Approval Issued to : | Niagara Waste Systems Limited |
| Site Name : | Walker Bros Landfill |
| Operation Status : | Open |
| Landfill Type : | Private |
| Site Location : | 2800 Thorold Townline Rd; Lot 11,30,31,49,50,66 |
| Site Municipality : | City of Niagara Falls |
| Site County/District/Region : | Niagara |
| Total Site Area : | 204.68 Ha. |
| Footprint : | 123.7 Ha. |
| Total Approved Capacity : | 31000000 Cubic Metres |
| Fill Rate : | 850000 |
| Service Area : | Ontario |
| Contaminant Attenuation Zone : | |
| Approved Waste Types : | Solid non-hazardous waste including municipal, commercial, industrial, and institutional wastes |
| Air Emmission Monitoring : | End of Each Phase of Fill (south Landfill only) |
| Groundwater Monitoring : | Quarterly |
| Surface Water Monitoring : | Quarterly |
| Landfill Gas Monitoring : | Annual |
| Natural Attenuation : | |
| Liners : | Yes |
| Cover Material : | Yes |
| Leachate Off Site Treatment : | Yes |
| Leachate On Site Treatment : | Yes |
| Landfill Gas Management (P) : | |
| Landfill Gas Management (F) : | Yes |
| Landfill Gas Management (E) : | Yes |
| Financial Assurance : | Yes |
| Required to Collect Landfill Gas : | Yes |
| Landfill Gas Collected : | Yes |
| Estimated Remaining Capacity (ERC): | 19270000 Cubic Metres |
| ERC Date Last Determined : | 12/30/2006 |
| ERC Methodology : | Direct Survey (GPS, Total Station) |
| Total Waste Recieved (TWR) : | 618000 Tonnes |
| TWR Methodology : | Weighed |
| Last Reporting Year : | 2007 |