Publication date


Toronto, Ontario
158 Sterling Road, Toronto, Ontario
This is to certify that the contract for the following improvement:
Remediation Construction of Zero-Valent Iron Permeable Reactive Barrier Caissons; Job number 2794-2020
To the above premises was substantially performed on:
March 11, 2021
Date certificate signed:
March 18, 2021
Name of owner:
Rio Tinto Inc.
Address for service:
400-1190 Avenue des Canadiens-de-Montreal, Montreal, Quebec H3B 0E3
Name of contractor:
Ground Force Environmental, an operating division of GFL Environmental Inc.
Address for service:
75 Ardelt Pl, Kitchener, ON N2C 2C8
Name of payment certifier:
Wood Environment and Infrastructure
2020 Winston Park Drive, Oakville, ON L6H 6X7
Identification of premises for preservation of liens:
158 Sterling Road, Toronto, Ontario

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