{"query":{"parameter":"ronnel","place":"US-PA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-PA","US"],"parameter_keys":["cas:299-84-3"],"names_matched":[["ronnel","cas:299-84-3"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":25,"offset":0,"returned":25,"next_offset":null,"rows":[{"id":"f5ac3f146a02678e","parameter":"RONNEL","value":"1700","value_num":1700,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:299-84-3","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 1 - Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater (used aquifer, TDS ≤ 2500, R)","page":9,"quote":null}},{"id":"759d1dc0e0d4e349","parameter":"RONNEL","value":"4900","value_num":4900,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:299-84-3","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 1 - Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater (used aquifer, TDS ≤ 2500, NR)","page":9,"quote":null}},{"id":"f4ad21857bc944b0","parameter":"RONNEL","value":"40000","value_num":40000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:299-84-3","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 1 - Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater (used aquifer, TDS > 2500, R)","page":9,"quote":null}},{"id":"47ad610438b7c692","parameter":"RONNEL","value":"40000","value_num":40000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:299-84-3","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 1 - Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater (used aquifer, TDS > 2500, NR)","page":9,"quote":null}},{"id":"1d589c488fe3bff0","parameter":"RONNEL","value":"1700","value_num":1700,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:299-84-3","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 1 - Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater (nonuse aquifer, R)","page":9,"quote":null}},{"id":"e68faf3130a263c8","parameter":"RONNEL","value":"4900","value_num":4900,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:299-84-3","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 1 - Medium-Specific Concentrations (MSCs) for Organic Regulated Substances in Groundwater (nonuse aquifer, NR)","page":9,"quote":null}},{"id":"92d6c4617d6a988e","parameter":"RONNEL","value":"11000","value_num":11000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, A. Direct Contact Numeric Values (R)","page":5,"quote":null}},{"id":"95f109a6f654fbb7","parameter":"RONNEL","value":"160000","value_num":160000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, A. Direct Contact Numeric Values (NR 0-2 ft)","page":5,"quote":null}},{"id":"3a70b40004ed0686","parameter":"RONNEL","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, A. Direct Contact Numeric Values (NR 2-15 ft)","page":5,"quote":null}},{"id":"c0b8da8414954447","parameter":"RONNEL","value":"170","value_num":170,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, R, 100 X GW MSC)","page":7,"quote":null}},{"id":"e1dc5ec2a32be558","parameter":"RONNEL","value":"270E","value_num":270,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, R, Generic Value)","page":7,"quote":null}},{"id":"f4853ac7a25a9309","parameter":"RONNEL","value":"490","value_num":490,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, NR, 100 X GW MSC)","page":7,"quote":null}},{"id":"c21c3e373f5c2dad","parameter":"RONNEL","value":"760E","value_num":760,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS ≤ 2500, NR, Generic Value)","page":7,"quote":null}},{"id":"57704bd75d56e552","parameter":"RONNEL","value":"4000","value_num":4000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, R, 100 X GW MSC)","page":7,"quote":null}},{"id":"58a0a2dc462be835","parameter":"RONNEL","value":"6200E","value_num":6200,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, R, Generic Value)","page":7,"quote":null}},{"id":"b016e07e4a7cadae","parameter":"RONNEL","value":"4000","value_num":4000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, NR, 100 X GW MSC)","page":7,"quote":null}},{"id":"1ac9549341b665ac","parameter":"RONNEL","value":"6200E","value_num":6200,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (used aquifer, TDS > 2500, NR, Generic Value)","page":7,"quote":null}},{"id":"3ebe116f6ef5eaaf","parameter":"RONNEL","value":"170","value_num":170,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, R, 100 X GW MSC)","page":7,"quote":null}},{"id":"86951e2642daec4f","parameter":"RONNEL","value":"270E","value_num":270,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, R, Generic Value)","page":7,"quote":null}},{"id":"60e3b078adafab3f","parameter":"RONNEL","value":"490","value_num":490,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, NR, 100 X GW MSC)","page":7,"quote":null}},{"id":"ab6066e23baf5dae","parameter":"RONNEL","value":"760E","value_num":760,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:299-84-3","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 3 - MSCs for Organic Regulated Substances in Soil, B. Soil to Groundwater Numeric Values (nonuse aquifer, NR, Generic Value)","page":7,"quote":null}},{"id":"7406e3b2e90bf6ce","parameter":"Ronnel","value":"3900","value_num":3900,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:299-84-3","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":"608140b0c8b47608","parameter":"Ronnel","value":"58000","value_num":58000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:299-84-3","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":"66ac8add3b739149","parameter":"Ronnel","value":"3.7","value_num":3.7,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:299-84-3","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":"d15c4685692d738b","parameter":"Ronnel","value":"410","value_num":410,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:299-84-3","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: \"ronnel\", 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"}]}