{"query":{"parameter":"boron","place":"US-PA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-PA","US"],"parameter_keys":["cas:7440-42-8","cas:12069-32-8","cas:10043-11-5","name:boron - total","cas:10294-33-4","cas:10294-34-5","cas:7637-07-2","cas:74-94-2","cas:1303-86-2","name:incremento percentuale massimo della concentrazione di boro del corpo recettore"],"names_matched":[["boron","cas:7440-42-8"],["boron carbide b4c","cas:12069-32-8"],["boron nitride bn","cas:10043-11-5"],["boron total","name:boron - total"],["boron tribromide","cas:10294-33-4"],["boron trichloride","cas:10294-34-5"],["boron trifluoride","cas:7637-07-2"],["boron trihydro n methylmethanamine t 4","cas:74-94-2"],["bore oxyde de","cas:1303-86-2","bore"],["bore tribromure de","cas:10294-33-4","bore"],["carbure de bore","cas:12069-32-8","bore"],["nitrure de bore","cas:10043-11-5","bore"],["trichlorure de bore","cas:10294-34-5","bore"],["incremento percentuale massimo della concentrazione di boro del corpo recettore","name:incremento percentuale massimo della concentrazione di boro del corpo recettore","boro"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":34,"offset":0,"returned":34,"next_offset":null,"rows":[{"id":"26a45e01c2af9c76","parameter":"BORON AND COMPOUNDS","value":"6000","value_num":6000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","groundwater in an aquifer used or currently planned to be used for drinking water or agriculture, total dissolved solids 2,500 mg/L or less (25 Pa. Code §250.304(c))","residential standard"],"cite":{"instrument":"us_pa_act2_gw","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for groundwater, Appendix A Tables 1-2, as DEP publishes them, with the 2024 PFAS MSCs","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 1 November 2021, Table 2 November 2023; the PFAS MSCs effective June 25, 2024 (DEP, updated 7/10/2024); DEP's bromobenzene correction as its Statewide Health Standards page states it on 2026-10-15","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%201.pdf","source_sha256":"5bc985b6f8b3595b0684a060dbc14d170987bbc89a70737370e1887c3932b13c","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 2 - Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater (used aquifer, TDS ≤ 2500, R)","page":1,"quote":null}},{"id":"ae87f8390e018f41","parameter":"BORON AND COMPOUNDS","value":"6000","value_num":6000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","groundwater in an aquifer used or currently planned to be used for drinking water or agriculture, total dissolved solids 2,500 mg/L or less (25 Pa. Code §250.304(c))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_gw","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for groundwater, Appendix A Tables 1-2, as DEP publishes them, with the 2024 PFAS MSCs","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 1 November 2021, Table 2 November 2023; the PFAS MSCs effective June 25, 2024 (DEP, updated 7/10/2024); DEP's bromobenzene correction as its Statewide Health Standards page states it on 2026-10-15","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%201.pdf","source_sha256":"5bc985b6f8b3595b0684a060dbc14d170987bbc89a70737370e1887c3932b13c","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 2 - Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater (used aquifer, TDS ≤ 2500, NR)","page":1,"quote":null}},{"id":"90ecc1ed3df53a94","parameter":"BORON AND COMPOUNDS","value":"600000","value_num":600000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","groundwater in an aquifer used or currently planned to be used whose naturally occurring background total dissolved solids exceed 2,500 mg/L (§250.304(e))","residential standard"],"cite":{"instrument":"us_pa_act2_gw","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for groundwater, Appendix A Tables 1-2, as DEP publishes them, with the 2024 PFAS MSCs","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 1 November 2021, Table 2 November 2023; the PFAS MSCs effective June 25, 2024 (DEP, updated 7/10/2024); DEP's bromobenzene correction as its Statewide Health Standards page states it on 2026-10-15","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%201.pdf","source_sha256":"5bc985b6f8b3595b0684a060dbc14d170987bbc89a70737370e1887c3932b13c","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 2 - Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater (used aquifer, TDS > 2500, R)","page":1,"quote":null}},{"id":"7fb969556a42fbf8","parameter":"BORON AND COMPOUNDS","value":"600000","value_num":600000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","groundwater in an aquifer used or currently planned to be used whose naturally occurring background total dissolved solids exceed 2,500 mg/L (§250.304(e))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_gw","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for groundwater, Appendix A Tables 1-2, as DEP publishes them, with the 2024 PFAS MSCs","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 1 November 2021, Table 2 November 2023; the PFAS MSCs effective June 25, 2024 (DEP, updated 7/10/2024); DEP's bromobenzene correction as its Statewide Health Standards page states it on 2026-10-15","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%201.pdf","source_sha256":"5bc985b6f8b3595b0684a060dbc14d170987bbc89a70737370e1887c3932b13c","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 2 - Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater (used aquifer, TDS > 2500, NR)","page":1,"quote":null}},{"id":"28cd76bcb1bc8bde","parameter":"BORON AND COMPOUNDS","value":"6000000","value_num":6000000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","groundwater in an aquifer not used or currently planned to be used (§250.304(d))","residential standard"],"cite":{"instrument":"us_pa_act2_gw","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for groundwater, Appendix A Tables 1-2, as DEP publishes them, with the 2024 PFAS MSCs","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 1 November 2021, Table 2 November 2023; the PFAS MSCs effective June 25, 2024 (DEP, updated 7/10/2024); DEP's bromobenzene correction as its Statewide Health Standards page states it on 2026-10-15","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%201.pdf","source_sha256":"5bc985b6f8b3595b0684a060dbc14d170987bbc89a70737370e1887c3932b13c","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 2 - Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater (nonuse aquifer, R)","page":1,"quote":null}},{"id":"5e32a19870697651","parameter":"BORON AND COMPOUNDS","value":"6000000","value_num":6000000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","groundwater in an aquifer not used or currently planned to be used (§250.304(d))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_gw","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for groundwater, Appendix A Tables 1-2, as DEP publishes them, with the 2024 PFAS MSCs","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 1 November 2021, Table 2 November 2023; the PFAS MSCs effective June 25, 2024 (DEP, updated 7/10/2024); DEP's bromobenzene correction as its Statewide Health Standards page states it on 2026-10-15","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%201.pdf","source_sha256":"5bc985b6f8b3595b0684a060dbc14d170987bbc89a70737370e1887c3932b13c","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 2 - Medium-Specific Concentrations (MSCs) for Inorganic Regulated Substances in Groundwater (nonuse aquifer, NR)","page":1,"quote":null}},{"id":"28d05bb5e910949e","parameter":"BORON AND COMPOUNDS","value":"44000","value_num":44000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a direct contact numeric value: the soil MSC is the lowest of it and the soil-to-groundwater numeric value, or it with a soil buffer or equivalency demonstration (§250.305(c)-(e))","residential, soil 0-15 feet from the existing ground surface (§250.305(c))"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, A. Direct Contact Numeric Values (R)","page":1,"quote":null}},{"id":"0a24c53b08904c3a","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a direct contact numeric value: the soil MSC is the lowest of it and the soil-to-groundwater numeric value, or it with a soil buffer or equivalency demonstration (§250.305(c)-(e))","nonresidential, surface soil 0-2 feet (§250.305(d))"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, A. Direct Contact Numeric Values (NR 0-2 ft)","page":1,"quote":null}},{"id":"8e63ece6ffb6ec34","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a direct contact numeric value: the soil MSC is the lowest of it and the soil-to-groundwater numeric value, or it with a soil buffer or equivalency demonstration (§250.305(c)-(e))","nonresidential, subsurface soil 2-15 feet (§250.305(e))"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, A. Direct Contact Numeric Values (NR 2-15 ft)","page":1,"quote":null}},{"id":"5a8e41491a81b08b","parameter":"BORON AND COMPOUNDS","value":"600","value_num":600,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the option 100 times the applicable groundwater MSC, expressed as mg/kg (§250.308(a)(1))","groundwater in an aquifer used or currently planned to be used for drinking water or agriculture, total dissolved solids 2,500 mg/L or less (25 Pa. Code §250.304(c))","residential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, R, 100 X GW MSC)","page":1,"quote":null}},{"id":"88e9ba81fd57845f","parameter":"BORON AND COMPOUNDS","value":"1900","value_num":1900,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the generic value of the soil-to-groundwater equation, for soil not in the zone of groundwater saturation; in that zone the value is one tenth of it (§250.308(a)(2)-(4))","groundwater in an aquifer used or currently planned to be used for drinking water or agriculture, total dissolved solids 2,500 mg/L or less (25 Pa. Code §250.304(c))","residential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, R, Generic Value)","page":1,"quote":null}},{"id":"c0d94e9ed4b6d40e","parameter":"BORON AND COMPOUNDS","value":"600","value_num":600,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the option 100 times the applicable groundwater MSC, expressed as mg/kg (§250.308(a)(1))","groundwater in an aquifer used or currently planned to be used for drinking water or agriculture, total dissolved solids 2,500 mg/L or less (25 Pa. Code §250.304(c))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, NR, 100 X GW MSC)","page":1,"quote":null}},{"id":"b3d25385edf6ed8c","parameter":"BORON AND COMPOUNDS","value":"1900","value_num":1900,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the generic value of the soil-to-groundwater equation, for soil not in the zone of groundwater saturation; in that zone the value is one tenth of it (§250.308(a)(2)-(4))","groundwater in an aquifer used or currently planned to be used for drinking water or agriculture, total dissolved solids 2,500 mg/L or less (25 Pa. Code §250.304(c))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, NR, Generic Value)","page":1,"quote":null}},{"id":"56c89db03fc1f7f0","parameter":"BORON AND COMPOUNDS","value":"60000","value_num":60000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the option 100 times the applicable groundwater MSC, expressed as mg/kg (§250.308(a)(1))","groundwater in an aquifer used or currently planned to be used whose naturally occurring background total dissolved solids exceed 2,500 mg/L (§250.304(e))","residential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, R, 100 X GW MSC)","page":1,"quote":null}},{"id":"6fd956302a1647f8","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the generic value of the soil-to-groundwater equation, for soil not in the zone of groundwater saturation; in that zone the value is one tenth of it (§250.308(a)(2)-(4))","groundwater in an aquifer used or currently planned to be used whose naturally occurring background total dissolved solids exceed 2,500 mg/L (§250.304(e))","residential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, R, Generic Value)","page":1,"quote":null}},{"id":"4ec4df3010ed6e20","parameter":"BORON AND COMPOUNDS","value":"60000","value_num":60000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the option 100 times the applicable groundwater MSC, expressed as mg/kg (§250.308(a)(1))","groundwater in an aquifer used or currently planned to be used whose naturally occurring background total dissolved solids exceed 2,500 mg/L (§250.304(e))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, NR, 100 X GW MSC)","page":1,"quote":null}},{"id":"0bb4e53a772ee39a","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the generic value of the soil-to-groundwater equation, for soil not in the zone of groundwater saturation; in that zone the value is one tenth of it (§250.308(a)(2)-(4))","groundwater in an aquifer used or currently planned to be used whose naturally occurring background total dissolved solids exceed 2,500 mg/L (§250.304(e))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, NR, Generic Value)","page":1,"quote":null}},{"id":"5a4a443cdae15c32","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the option 100 times the applicable groundwater MSC, expressed as mg/kg (§250.308(a)(1))","groundwater in an aquifer not used or currently planned to be used (§250.304(d))","residential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, R, 100 X GW MSC)","page":1,"quote":null}},{"id":"d4450dc343754e71","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the generic value of the soil-to-groundwater equation, for soil not in the zone of groundwater saturation; in that zone the value is one tenth of it (§250.308(a)(2)-(4))","groundwater in an aquifer not used or currently planned to be used (§250.304(d))","residential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, R, Generic Value)","page":1,"quote":null}},{"id":"6d9bc6cb165a39e8","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the option 100 times the applicable groundwater MSC, expressed as mg/kg (§250.308(a)(1))","groundwater in an aquifer not used or currently planned to be used (§250.304(d))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, NR, 100 X GW MSC)","page":1,"quote":null}},{"id":"79239d85ae800a89","parameter":"BORON AND COMPOUNDS","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":["the Statewide health standard under Act 2 (Land Recycling and Environmental Remediation Standards Act): a person may instead attain the background or a site-specific standard","a soil-to-groundwater numeric value (§250.308(a)): a person may instead show the soil's SPLP leachate does not exceed the groundwater MSC, or use the soil buffer distance (§250.308(b)) or an equivalency demonstration (§250.308(d)); soil below 15 feet takes only this pathway (§250.305(f))","the generic value of the soil-to-groundwater equation, for soil not in the zone of groundwater saturation; in that zone the value is one tenth of it (§250.308(a)(2)-(4))","groundwater in an aquifer not used or currently planned to be used (§250.304(d))","nonresidential standard"],"cite":{"instrument":"us_pa_act2_soil","title":"25 Pa. Code ch. 250 (Act 2) — Statewide health standard MSCs for soil, Appendix A Tables 3-4 (direct contact and soil to groundwater), as DEP publishes them","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection, Land Recycling Program)","edition":"the Appendix A tables in force from November 20, 2021 (51 Pa.B. 7173) as DEP publishes them: Table 3A November 2021, Table 3B January 2022, Tables 4A and 4B November 2023","source_url":"https://files.dep.state.pa.us/EnvironmentalCleanupBrownfields/LandRecyclingProgram/LandRecyclingProgramPortalFiles/GuidanceTechTools/VaporIntrusion/November_2021/Table%203a.pdf","source_sha256":"546e6e1ac858eb7cccc6d8f5a029fa8a9a4f7976e589cf983ef8f359b491dfb7","fetched_at":"2026-10-15","section":"25 Pa. Code ch. 250 Appendix A, Table 4 - MSCs for Inorganic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, NR, Generic Value)","page":1,"quote":null}},{"id":"0d5e4261e8052698","parameter":"BORON","value":"1600","value_num":1600,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":[],"cite":{"instrument":"us_pa_wqs","title":"25 Pa. Code §93.8c Table 5 (water quality criteria for toxic substances) and §93.7 Table 3 (specific water quality criteria) — Pennsylvania","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection)","edition":"Pennsylvania Code as served 2026-10-09: §93.8c amended December 19, 2025, effective December 20, 2025, 55 Pa.B. 8596; §93.7 rows name their own page","source_url":"https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/025/chapter93/s93.8c.html","source_sha256":"9f8f9a0d4da400c55be6373f6a6482b24c4fab5c9a4d0c445f3f55c33a799beb","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"25 Pa. Code §93.8c Table 5 (criteria continuous concentration (CCC))","page":null,"quote":"D BORON 7440428 1600 8100 1000 2"}},{"id":"5f9b39a1ae65c3cd","parameter":"BORON","value":"8100","value_num":8100,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":[],"cite":{"instrument":"us_pa_wqs","title":"25 Pa. Code §93.8c Table 5 (water quality criteria for toxic substances) and §93.7 Table 3 (specific water quality criteria) — Pennsylvania","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection)","edition":"Pennsylvania Code as served 2026-10-09: §93.8c amended December 19, 2025, effective December 20, 2025, 55 Pa.B. 8596; §93.7 rows name their own page","source_url":"https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/025/chapter93/s93.8c.html","source_sha256":"9f8f9a0d4da400c55be6373f6a6482b24c4fab5c9a4d0c445f3f55c33a799beb","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"25 Pa. Code §93.8c Table 5 (criteria maximum concentration (CMC))","page":null,"quote":"D BORON 7440428 1600 8100 1000 2"}},{"id":"761a9744000a0fb2","parameter":"BORON","value":"1000","value_num":1000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-42-8","place":["US-PA"],"conditions":[],"cite":{"instrument":"us_pa_wqs","title":"25 Pa. Code §93.8c Table 5 (water quality criteria for toxic substances) and §93.7 Table 3 (specific water quality criteria) — Pennsylvania","issuer":"Commonwealth of Pennsylvania, Environmental Quality Board (Department of Environmental Protection)","edition":"Pennsylvania Code as served 2026-10-09: §93.8c amended December 19, 2025, effective December 20, 2025, 55 Pa.B. 8596; §93.7 rows name their own page","source_url":"https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/025/chapter93/s93.8c.html","source_sha256":"9f8f9a0d4da400c55be6373f6a6482b24c4fab5c9a4d0c445f3f55c33a799beb","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"25 Pa. Code §93.8c Table 5 (human health)","page":null,"quote":"D BORON 7440428 1600 8100 1000 2"}},{"id":"3eabed47ff70eefb","parameter":"Boron And Borates Only","value":"16000","value_num":16000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-42-8","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"367bb3184baccc76","parameter":"Boron And Borates Only","value":"230000","value_num":230000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-42-8","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"525c9f31323c2964","parameter":"Boron And Borates Only","value":"13","value_num":13,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7440-42-8","place":["US"],"conditions":["Protection of Groundwater SSLs: Risk-based SSL (mg/kg); SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"8bf4b708a10e1880","parameter":"Boron And Borates Only","value":"4000","value_num":4000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:7440-42-8","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"70859c1c3345a3c5","parameter":"Boron Trichloride","value":"160000","value_num":160000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:10294-34-5","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"7ffa69545342a3fd","parameter":"Boron Trichloride","value":"2300000","value_num":2300000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:10294-34-5","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"45fd822b7a821c2e","parameter":"Boron Trichloride","value":"42","value_num":42,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:10294-34-5","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"95ff780ba1819fdf","parameter":"Boron Trifluoride","value":"3100","value_num":3100,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7637-07-2","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"5a91df66724995de","parameter":"Boron Trifluoride","value":"47000","value_num":47000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7637-07-2","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"edb2d173c23fa210","parameter":"Boron Trifluoride","value":"26","value_num":26,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:7637-07-2","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-PA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"boron\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"US-PA"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}