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Frequently Asked Questions

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      • Producers can reference the chart below to determine if they are a small, large or exempt HSP producer.

        Producer categories use the average weight of material (in tonnes) supplied in Ontario in the previous calendar year.

        Type of HSPExempt (Less than <)Small Producer Large Producer (Equal to or greater than >)
        Oil Filters3.5100
        Non-refillable Pressurized Containers3100
        Antifreeze20300
        Oil Containers255
        Solvents370
        Paints and Coatings101,000
        Pesticides19
        Refillable Pressurized ContainersN/A
        Mercury-containing Devices
        Fertilizers
        Propane Containers (refillable)

        Note that ‘’ indicates a value greater than ‘Exempt’ but less than ‘Large Producer’ threshold.

        Average supply weight is determined using the following formula:

        Average weight of HSP supply = (Y1 + Y2 + Y3) / 3 

        E.g. 2025 average weight of supply = (2024 + 2023 + 2022) / 3

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