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Residential/Parkland/ Institutional Property Use of Surface Soil","The value for coarse soils is the one that is not bracketed"],"cite":{"instrument":"ca_on_153_soil","title":"Ontario — Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act (April 15, 2011), Tables 1-9 — soil","issuer":"Ontario Ministry of the Environment","edition":"April 15, 2011","source_url":"https://www.ontario.ca/page/soil-ground-water-and-sediment-standards-use-under-part-xv1-environmental-protection-act","source_sha256":"4062fa480e7483c42e6f5ea8d49a00ae1c0d0590002fa4989e58299786cf331b","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"table_4_soil","column":"res_park_inst_surface_coarse"}},{"id":"55290659fa310019","parameter":"Hexachlorobutadiene","value":"0.014","value_num":0.014,"unit":"µg/g","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:87-68-3","place":["CA-ON"],"conditions":["Table 4: Stratified Site Condition Standards in a Potable Ground Water Condition","Soil Standards (other than sediment) µg ⁄ g - 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Industrial/Commercial/ Community Property Use of Surface Soil","The value for coarse soils is the one that is not bracketed"],"cite":{"instrument":"ca_on_153_soil","title":"Ontario — Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act (April 15, 2011), Tables 1-9 — soil","issuer":"Ontario Ministry of the Environment","edition":"April 15, 2011","source_url":"https://www.ontario.ca/page/soil-ground-water-and-sediment-standards-use-under-part-xv1-environmental-protection-act","source_sha256":"4062fa480e7483c42e6f5ea8d49a00ae1c0d0590002fa4989e58299786cf331b","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"table_4_soil","column":"ind_comm_comm_surface_coarse"}},{"id":"bae646dabe49ec0f","parameter":"Hexachlorobutadiene","value":"0.095","value_num":0.095,"unit":"µg/g","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:87-68-3","place":["CA-ON"],"conditions":["Table 4: Stratified Site Condition Standards in a Potable Ground Water Condition","Soil Standards (other than sediment) µg ⁄ g - Industrial/Commercial/ Community Property Use of Surface Soil","the value for medium and fine textured soils is given within brackets"],"cite":{"instrument":"ca_on_153_soil","title":"Ontario — Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act (April 15, 2011), Tables 1-9 — soil","issuer":"Ontario Ministry of the Environment","edition":"April 15, 2011","source_url":"https://www.ontario.ca/page/soil-ground-water-and-sediment-standards-use-under-part-xv1-environmental-protection-act","source_sha256":"4062fa480e7483c42e6f5ea8d49a00ae1c0d0590002fa4989e58299786cf331b","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"table_4_soil","column":"ind_comm_comm_surface_fine"}},{"id":"53229190abb7b470","parameter":"Hexachlorobutadiene","value":"0.06","value_num":0.06,"unit":"µg/g","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:87-68-3","place":["CA-ON"],"conditions":["Table 4: Stratified Site Condition Standards in a Potable Ground Water Condition","Soil Standards (other than sediment) µg ⁄ g - Industrial/Commercial/ Community Property Use of Subsurface Soil","The value for coarse soils is the one that is not bracketed"],"cite":{"instrument":"ca_on_153_soil","title":"Ontario — Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act (April 15, 2011), Tables 1-9 — soil","issuer":"Ontario Ministry of the Environment","edition":"April 15, 2011","source_url":"https://www.ontario.ca/page/soil-ground-water-and-sediment-standards-use-under-part-xv1-environmental-protection-act","source_sha256":"4062fa480e7483c42e6f5ea8d49a00ae1c0d0590002fa4989e58299786cf331b","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"table_4_soil","column":"ind_comm_comm_subsurface_coarse"}},{"id":"6b7aad3cf56435b9","parameter":"Hexachlorobutadiene","value":"0.11","value_num":0.11,"unit":"µg/g","direction":"max","kind":"limit","medium":"soil","level":"regional","parameter_key":"cas:87-68-3","place":["CA-ON"],"conditions":["Table 4: Stratified Site Condition Standards in a Potable Ground Water Condition","Soil Standards (other than sediment) µg ⁄ g - 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