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Ontario Aggregate Summit April 1, 2019
TEMPLATE Letter for Members to Use to Submit Responses to ERO Posting on Growth Plan February 13, 2019
The government has submitted a proposal to make Modifications to O. Reg. 311/06 (Transitional Matters - Growth Plans) made under the Places to Grow Act, 2005 to implement the Proposed Amendment to the Growth Plan for the Greater Golden Horseshoe, 2017. OSSGA has made the point to the government that the current policy framework is not working. Approvals for new mineral aggregate operations in Southern Ontario are taking up to 10 years to complete the process. There are too many overlapping policies and inconsistent approaches between the Provincial Plans, Regional Official Plans, Local Official Plans and Conservation Authority policies regarding the management of this essential non-renewable resource.
Specification Alert February 6, 2019
Please be advised that there have been changes made to Aggregate Specifications for OPSS 1002, April 2018. This revised specification has been included in several MTO tender documents recently, most notably MTO Contract #2018-2024, Hwy 400 & Hwy 89 Interchange, Closing Feb. 14, 2019 and has raised concerns with many suppliers.
Avenues Winter 2019 Issue Now Available! February 5, 2019
The newest Winter 2019 issue of Avenues Magazine is now available online!
2019 Active & Associate Member Applications Are Now Available! February 1, 2019
2019 Active & Associate Member Applications to the Ontario Stone, Sand & Gravel Association are now available. Visit ossga.com/why_join_ossga to apply!
Securing Access to Stone, Sand & Gravel: OSSGA's Recommendations for Securing Close-to-Market Aggregate January 30, 2019
Ensuring Economic Growth and Future Greenspace in the Greater Golden Horseshoe
OSSGA Submits Untangling Red Tape: Addressing Duplication in the Aggregate Industry OSSGA January 21, 2019
Revised Sample Safety Data Sheets (SDS) Now Available for OSSGA Members January 18, 2019
Under the Federal Government's amended WHMIS legislation, Material Safety Data Sheets (MSDS) have been renamed Safety Data Sheets (SDS).
OSSGA Meets with MECP to Discuss ECAs for Closed-Loop Aggregate Wash Systems January 8, 2019
Seeking Volunteers for OSSGA’s 2019 Student Design Competition November 6, 2018
OSSGA is looking for a pit or quarry to serve as the host site for the 2019 Student Design Competition. Members must have a geo-referenced computer drawing of the final rehabilitation plan, PDF copies of your site plans, and be required to provide multiple tours for participating students. The program challenges Ontario university and college students to put their design skills to work by creating a rehabilitation design that maximizes the opportunities that the site will offer.
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Rules on Local Air Quality

March 29, 2017 at 2:56 PM

On March 8, 2017 the MOECC posted key guidance documents for O.Reg 418/05: Air Pollution – Local Air Quality, including an Air Dispersion Modelling Guideline for Ontario (ADMGO), a Procedure for Preparing an Emission Summary and Dispersion Modelling Report and a Guideline for the Implantation of Air Standards in Ontario.

The Law

Ontario regulates contaminants released to air by various sources, including local industrial and commercial facilities, to limit exposure to substances that can affect human health and the environment.

If your business emits any contaminants to the air, you must comply with the regulation by meeting certain standards that may apply.

There are three compliance approaches under the regulation:

  • meet the general air standard
  • request and meet a site-specific standard
  • register and meet the requirements under a sector-based technical standard (if available)


For additional information and to read The Rules on Air Quality and Pollution, click below.

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