{"query":{"parameter":"propylene oxide","place":"CA-QC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-QC","CA"],"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","not_sent":{"rows":62,"names":["Formaldehyde, polymer with nonylphenol, reaction products with diethanolamine and propylene oxideª","Éther de glycérol et de polypropylène glycolª","Polymère d'oxyde de propylène, d'oxyde d'éthylène et de toluènediamineª","2-Methyloxirane, polymer with oxirane, mono(nonylphenyl) ether, branched","p-tert-Butylphenol-formaldehyde resin, copolymer with ethylene oxide and propylene oxide","Formaldehyde, polymers with branched 4-nonylphenol, ethylene oxide and propylene oxide","Formaldehyde, polymer with 2-methyloxirane and 4-nonylphenol","Éther de polyéthylène-polypropylène glycérol"],"says":"62 rows share a parameter key with a longer name holding \"propylene oxide\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"propylene oxide\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":7,"offset":0,"returned":7,"next_offset":null,"rows":[{"id":"f919cf444561dbe5","parameter":"Propylène, oxyde de","value":"3100","value_num":3100,"unit":"µg/m³","statistic":"hourly_avg","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:75-56-9","place":["CA-QC"],"conditions":[],"cite":{"instrument":"ca_qc_air","title":"MELCCFP — Normes et critères québécois de qualité de l'atmosphère (version 11)","issuer":null,"edition":"Version 11","source_url":"https://environnement.gouv.qc.ca/air/criteres/normes-criteres-qualite-atmosphere.xlsx","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"column":"valeur"}},{"id":"33dace7168812594","parameter":"Propylène, oxyde 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