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The following has been prepared to assist individuals and companies who are involved with handling excess construction soils in Ontario and provide information on SOiiL participation.

The end of this section provides a step by step summary of how interested parties can register on SOiiL, share soil movement data and participate in soil matching activities.

Who should use SOiiL?

  1. Individuals and companies involved with construction or infrastructure development projects including site owners, consultants or contractors
  2. Individuals, companies and owners of properties or involved with and requiring excess construction soils and materials including large commercial fill operations and sites involving re-grading
  3. Individuals and companies having soil handling and treatment centres who require fill or wish to link the availability of their facility to the timely interim storage of excess soils

What Information is required?

As is the practice today for the responsible handling and transfer of excess clean soils, only the type of basic information that typically exists today is required. This includes generating site details in the form of site location, estimated volumes, timing, environmental and geotechnical report availability (Phase 1 and/or Phase 2 ESA) and supporting analysis of the materials involved. Receiving site details include confirmation of appropriate permitted activity locally and pertinent information on the receiving site handling protocols involving the transfer of materials.

SOiiL will only circulate soil information that participants are willing to provide and share. SOiiL will not amend or modify any submitted information. The information on the registry remains the responsibility of the submitting organization or company. It is solely the responsibility of the provider and users of the soil information submitted to the registry to ensure the integrity of the data provided.

How much does it cost?

Participation in and submission of soil information and details to the SOiiL registry costs nothing. SOiiL has been established as a "not for profit" entity to encourage and facilitate the proper handling of excess construction soils in an environmentally responsible manner in compliance with local regulations and developing best soil handling practices in Ontario. It is based on the successful CL:AIRE Register of Materials in the United Kingdom. Accordingly, if the initial pilot SOiiL project is successful and has value to participants, it is anticipated that participating partners will see the commercial and economic benefits of this service. At that time a further decision will be made regarding future commercial funding or the financial sponsorship of SOiiL.

How long for SOiiL to find soil matching partners?

SOiiL cannot guarantee that material or projects and sites will be available at any one time or location for partnering. However the more organizations and projects involved in SOiiL and its promotion will increase the likelihood of finding soil matching partners on a case by case basis in a timely fashion.

Who do you contact?

Organizations and companies wishing to register details of sites, projects or materials should start by filling out the downloadable Registration form and email the form to

How to Register and Use SOiiL

The general process involved in participating in the SOiiL registry and soil matching activity is straightforward. Perspective SOiiL users carry out the following steps:

  1. Review SOiiL terms and conditions
  2. Complete required user registration acknowledging user terms and conditions and submit form to SOiiL administrator
  3. SOiiL administrator will acknowledge by return email registration of user and provide additional information with respect to security and future user access
  4. Accepted users can then complete a submission template on-line and provide excess soil information needs to SOiiL administrator in confidence
  5. The SOiiL administrator reviews excess soil information from both "donor" sites with available excess soil and those "receiving" sites requiring soil and records information in a current monthly register
  6. The SOiiL administrator identifies potential donor/receiving sites of a possible soil matching opportunity and arranges for interested matching parties to contact each other and pursue soil exchanging opportunities in compliance with regulatory and industry best management practices
  7. Both donor and receiving site locations will be recorded by general location on regional excess soil maps available to SOiiL users
  8. On an ongoing basis, soil related information and developments will be shared with SOiiL users and input from users will be solicited to further enhance SOiiL and soil handling practices in general in Ontario