{"query":{"parameter":"propylene oxide","place":"US-PA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-PA","US"],"parameter_keys":["cas:75-56-9","cas:30704-64-4","cas:68610-97-9","cas:153795-76-7","cas:37523-33-4","cas:25791-96-2","cas:9082-00-2","cas:9087-53-0","cas:68649-29-6","cas:68201-88-7","cas:68400-72-6","cas:68400-71-5","cas:70613-36-4","cas:134180-76-0","cas:71343-01-6","cas:68891-11-2","cas:58050-75-2","cas:129828-31-5","cas:178603-70-8","cas:1802633-48-2","cas:67905-91-3","cas:38172-91-7","cas:36484-54-5","cas:67800-94-6","cas:68332-78-5","cas:68186-54-9","cas:68036-92-0","cas:68036-95-3","cas:70880-56-7"],"names_matched":[["propylene oxide","cas:75-56-9"],["formaldehyde p tert butylphenol propylene oxide ethylene oxide polymer","cas:30704-64-4"],["formaldehyde polymer with nonylphenol reaction products with diethanolamine and propylene oxide","cas:68610-97-9"],["formaldehyde polymers with branched 4 nonylphenol ethylene oxide and propylene oxide","cas:153795-76-7"],["formaldehyde propylene oxide p nonylphenol polymer","cas:37523-33-4"],["glycerol propylene oxide polymer","cas:25791-96-2"],["p tert butylphenol formaldehyde resin copolymer with ethylene oxide and propylene oxide","cas:30704-64-4"],["propylene oxide ethylene oxide polymer ether with glycerol 3 1","cas:9082-00-2"],["propylene oxide ethylene oxide polymer hexadecyl ether","cas:9087-53-0"],["propylene oxide ethylene oxide polymer mono c10 16 alkyl ethers phosphates","cas:68649-29-6"],["1 6 hexanediamine polymer with 2 chloromethyl oxirane 2 methyloxirane and oxirane hydrochloride","cas:68201-88-7","methyloxirane"],["1 6 hexanediamine polymer with chloromethyl oxirane methyloxirane and oxirane hydrochloride","cas:68201-88-7","methyloxirane"],["2 butenedioic acid 2e polymer with methyloxirane and oxirane","cas:68400-72-6","methyloxirane"],["2 butenedioic acid 2e polymer with methyloxirane oxirane and 1 2 3 propanetriol","cas:68400-71-5","methyloxirane"],["2 e butanedioic acid polymer with methyloxirane and oxirane","cas:68400-72-6","methyloxirane"],["2 e butanedioic acid polymer with methyloxirane and oxirane and 1 2 3 propanetriol","cas:68400-71-5","methyloxirane"],["2 methyloxirane polymer with 2 2 1 methylethylidene bis 4 1 phenyleneoxymethylene bis oxirane and oxirane","cas:70613-36-4","methyloxirane"],["2 methyloxirane polymer with mono 3 1 3 3 3 tetramethyl 1 trimethylsilyl oxy 1 disiloxanyl propyl oxirane ether","cas:134180-76-0","methyloxirane"],["2 methyloxirane polymer with oxirane ether with 1 2 3 propanetriol 3 1 reaction products with tdi","cas:71343-01-6","methyloxirane"],["2 methyloxirane polymer with oxirane mono nonylphenyl ether branched","cas:68891-11-2","methyloxirane"],["2 propenenitrile polymer with ethenylbenzene methyloxirane and oxirane","cas:58050-75-2","methyloxirane"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione 2 methyloxirane 4 nonylphenol and oxirane","cas:129828-31-5","methyloxirane"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione 2 methyloxirane and oxirane","cas:178603-70-8","methyloxirane"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione methyloxirane 4 nonylphenol and oxirane","cas:129828-31-5","methyloxirane"],["2 propenoic acid polymer with 4 1 1 dimethylethyl phenol formaldehyde 2 5 furandione methyloxirane and oxirane","cas:178603-70-8","methyloxirane"],["2 propenoic acid polymer with ethylenediamine oxirane methyloxirane 2 5 furandione methyl oxirane and oxirane","cas:1802633-48-2","methyloxirane"],["2 propenoic acid polymer with formaldehyde 2 5 furandione methyloxirane 4 nonylphenol and oxirane","cas:67905-91-3","methyloxirane"],["2 propyn 1 ol compound with methyloxirane","cas:38172-91-7","methyloxirane"],["4 4 1 methylethylidene bisphenol polymer with chloromethyl oxirane and methyloxirane","cas:36484-54-5","methyloxirane"],["benzenediamine ar methyl polymer with methyloxirane and oxirane","cas:67800-94-6","methyloxirane"],["formaldehyde polymer with 2 methyloxirane and 4 nonylphenol","cas:37523-33-4","methyloxirane"],["methyloxirane polymer with oxirane didodecylbenzenesulfonate","cas:68332-78-5","methyloxirane"],["methyloxirane polymer with oxirane e 2 butenedioate","cas:68186-54-9","methyloxirane"],["methyloxirane polymer with oxirane ether with 1 2 3 propanetriol 3 1 ether with chloromethyl oxirane polymer with 4 4 1 methylethylidene bis phenol","cas:68036-92-0","methyloxirane"],["methyloxirane polymer with oxirane ether with chloromethyl oxirane polymer with 4 4 1 methylethylidene bis phenol","cas:68036-95-3","methyloxirane"],["methyloxirane polymer with oxirane mono2 4 6 tris 1 phenylethyl phenyl ether","cas:70880-56-7","methyloxirane"],["phenol 4 4 1 methylethylidene bis polymer with chloromethyl oxirane and methyloxirane","cas:36484-54-5","methyloxirane"],["polymere de phosphates d ethers mono c10 c16 alkyle oxirane et de methyloxirane","cas:68649-29-6","methyloxirane"],["polymere d oxyde de propylene d oxyde d ethylene et de toluenediaminea","cas:67800-94-6","propylene oxyde de"]],"match":"exact+contains","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":"dfb8b18b24ac776c","parameter":"PROPYLENE OXIDE","value":"2.7","value_num":2.7,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:75-56-9","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 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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. 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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. 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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. 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