Pennsylvania Code & Bulletin
COMMONWEALTH OF PENNSYLVANIA

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 53 Pa.B. 8238 (December 30, 2023).

25 Pa. Code § 287.8. Coproduct determinations.

§ 287.8. Coproduct determinations.

 (a)  In addition to meeting the conditions of the definition of ‘‘coproduct’’ in §  287.1 (relating to definitions), a person performing a coproduct determination shall evaluate chemical composition and threat of harm to the environment and public health in accordance with this section. A proposed coproduct may not present a greater threat of harm to human health and the environment than use of an intentionally manufactured product or produced raw material. A greater threat of harm is presented if one of the following is met:

   (1)  For comparison of the proposed coproduct with a product or produced raw material, hazardous or toxic constituents are present at elevated levels unless an assessment of hazardous and toxic constituents demonstrates that the constituents are not biologically available.

   (2)  For a proposed coproduct where no product or produced raw material will be replaced, an assessment of hazardous and toxic constituents demonstrates that the constituents are not biologically available.

 (b)  If the proposed coproduct is being compared to an intentionally manufactured product or produced raw material, a person performing a coproduct determination shall demonstrate that the use of a proposed coproduct does not present a greater threat of harm to human health and the environment by performing the following:

   (1)  An evaluation to determine which, if any, hazardous or toxic constituents are present in the proposed coproduct at levels exceeding those found in the material it is replacing.

   (2)  An evaluation of the total levels of hazardous or toxic constituents, including the constituents in 40 CFR Part 261, Appendix VIII (relating to hazardous constituents) as incorporated by reference in §  261a.1 (relating to incorporation by reference, purpose and scope), to determine whether the total levels of constituents contained in the proposed coproduct exceed the total levels found in the intentionally manufactured product or produced raw material it is replacing. Based on generator knowledge, if a hazardous or toxic constituent is not present evaluation of total levels is not required.

   (3)  An evaluation of the levels of leaching of hazardous or toxic constituents, including the constituents in 40 CFR Part 261, Appendix VIII as incorporated by reference in §  261a.1, to determine whether the levels of leaching from the proposed coproduct exceed the levels of leaching from the manufactured product or produced raw material it is replacing. A leaching procedure shall be performed that is appropriate for the intended use of the proposed product. Based on generator knowledge, if a hazardous or toxic constituent is not present evaluation of leaching levels is not required.

   (4)  The routes of exposure to humans and ecological receptors shall be identified. These routes of exposure shall include ingestion, inhalation, dermal contact, leaching to the groundwater, plant uptake and surface runoff potential. Mitigating circumstances, such as protective gear worn by workers to reduce exposure during processing or application of the proposed coproduct, shall be identified.

   (5)  The use of a 95% upper confidence interval, using the ‘‘Test Methods for Evaluating Solid Waste’’ (EPA SW-846), may be applied to the comparisons of constituent levels between the proposed coproduct and the intentionally manufactured product or produced raw material it is replacing.

 (c)  If the proposed coproduct is not being compared to an intentionally manufactured product or produced raw material, a person performing a coproduct determination shall demonstrate that the proposed coproduct does not present a threat of harm to human health and the environment and the hazardous or toxic constituents are not biologically available by performing the following:

   (1)  An evaluation of the total levels of hazardous or toxic constituents, including the constituents in 40 CFR Part 261, Appendix VIII as incorporated by reference in §  261a.1. Based on generator knowledge, if a hazardous or toxic constituent is not present evaluation of total levels is not required.

   (2)  An evaluation of the levels of leaching of hazardous or toxic constituents, including the constituents in 40 CFR Part 261, Appendix VIII as incorporated in §  261a.1. Based on generator knowledge, if a hazardous or toxic constituent is not present evaluation of leaching levels is not required.

   (3)  The routes of exposure to humans and ecological receptors shall be identified. These routes of exposure include ingestion, inhalation, dermal contact, leaching to the groundwater, plant uptake and surface runoff potential. Mitigating circumstances, such as protective gear worn by workers to reduce exposure during processing or application of the proposed coproduct, shall be identified.

   (4)  The use of a 95% upper confidence interval, using the ‘‘Test Methods for Evaluating Solid Waste’’ (EPA SW-846), may be applied to the analytical results of the constituents evaluated.

 (d)  A person who completes a coproduct determination shall maintain documentation supporting the determination. This documentation shall be available to the Department upon request.

 (e)  A person who completes a coproduct determination shall provide documentation supporting the determination to persons selling, transferring, possessing or using the material.

Source

   The provisions of this §  287.8 adopted January 12, 2001, effective January 13, 2001, 31 Pa.B. 235.

Cross References

   This section cited in 25 Pa. Code §  287.1 (relating to definitions); and 25 Pa. Code §  287.9 (relating to industry-wide coproduct determinations).



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