{"query":{"parameter":"1 3 propanediol","place":"CA-ON","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-ON","CA"],"parameter_keys":["cas:504-63-2","cas:25450-99-1","cas:23235-61-2","cas:53317-61-6","cas:30499-70-8","cas:2163-42-0","cas:345260-48-2","cas:115-76-4","cas:52-51-7","cas:115-84-4","cas:35484-93-6","cas:37625-56-2","cas:72269-91-1","cas:25119-93-1","cas:96591-17-2","cas:27925-07-1","cas:56266-32-1","cas:28183-09-7","cas:52624-57-4","cas:50586-59-9","cas:39423-51-3","cas:68052-23-3","cas:144-19-4","cas:6846-50-0","cas:25265-77-4"],"names_matched":[["1 3 propanediol","cas:504-63-2"],["1 2 cyclohexyl 2 ethyl 1 3 propanediol","cas:25450-99-1"],["1 3 propanediol 2 2 oxybis methylene bis 2 ethyl","cas:23235-61-2"],["1 3 propanediol 2 ethyl 2 hydroxymethyl polymer with 1 3 diisocyanatomethylbenzene and 2 2 oxybis ethanol","cas:53317-61-6"],["1 3 propanediol 2 ethyl 2 hydroxymethyl polymer with chloromethyl oxirane","cas:30499-70-8"],["1 3 propanediol 2 methyl","cas:2163-42-0"],["1 3 propanediol homopolymer","cas:345260-48-2"],["2 2 diethyl 1 3 propanediol","cas:115-76-4"],["2 bromo 2 nitro 1 3 propanediol","cas:52-51-7"],["2 butyl 2 ethyl 1 3 propanediol","cas:115-84-4"],["2 methyl 1 3 propanediol","cas:2163-42-0"],["2 oxepanone polymer with 2 2 bis hydroxymethyl 1 3 propanediol","cas:35484-93-6"],["2 oxepanone polymer with 2 ethyl 2 hydroxymethyl 1 3 propanediol","cas:37625-56-2"],["acrylic acid triester with 2 ethyl 2 hydroxymethyl 1 3 propanediol","cas:72269-91-1"],["acrylic acid triester with 2 ethyl 2 hydroxymethyl 1 3 propanediol butyl acrylate polymer","cas:25119-93-1"],["fatty acids linseed oil reaction products with 2 amino 2 hydroxymethyl 1 3 propanediol and formaldehyde polymers with bu methacrylate 2 diethylamino ethyl methacrylate 2 hydroxyethyl acrylate and me methacrylate","cas:96591-17-2"],["hexanedioic acid polymer with 2 2 dimethyl 1 3 propanediol","cas:27925-07-1"],["hexanedioic acid polymer with 2 ethyl 2 hydroxymethyl 1 3 propanediol and 1 6 hexanediol","cas:56266-32-1"],["hexanedioic acid polymer with 2 ethyl 2 hydroxymethyl 1 3 propanediol and 2 2 oxybis ethanol","cas:28183-09-7"],["oxirane methyl polymer with oxirane ether with 2 ethyl 2 hydroxymethyl 1 3 propanediol 3 1","cas:52624-57-4"],["poly oxy 1 2 ethanediyl alpha hydro omega hydroxy ether with 2 ethyl 2 hydroxymethyl 1 3 propanediol 3 1","cas:50586-59-9"],["poly oxy methyl 1 2 ethanediyl alpha hydro omega 2 aminomethylethoxy ether with 2 ethyl 2 hydroxymethyl 1 3 propanediol 3 1","cas:39423-51-3"],["1 3 pentanediol 2 2 4 trimethyl dibenzoate","cas:68052-23-3","1 3 pentanediol"],["2 2 4 trimethyl 1 3 pentanediol","cas:144-19-4","1 3 pentanediol"],["2 2 4 trimethyl 1 3 pentanediol diisobutyrate","cas:6846-50-0","1 3 pentanediol"],["propanoic acid 2 methyl monoester with 2 2 4 trimethyl 1 3 pentanediol","cas:25265-77-4","1 3 pentanediol"],["texanol 1 3 pentanediol 2 2 4 trimethyl 1 isobutyrate","cas:25265-77-4","1 3 pentanediol"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"1dfd41c21f9f80b5","parameter":"Propylene glycol, 1,3-","value":"10000 µg/L","value_num":10000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:504-63-2","place":["CA-ON"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"ca_on_pwqo","title":"Provincial Water Quality Objectives (Ontario MOEE, Water Management: Policies, Guidelines, Provincial Water Quality Objectives, 1994) — Table 2, PWQOs and Interim PWQOs","issuer":"Ontario Ministry of Environment and Energy (MOEE; now Ministry of the Environment, Conservation and Parks)","edition":"MOEE July 1994 (reprinted February 1999), as published on ontario.ca (fetched 2026-10-09)","source_url":"https://www.ontario.ca/page/water-management-policies-guidelines-provincial-water-quality-objectives","source_sha256":"f4eddd3cd97cf5abb8678d040947bdaa2b4afae406f055948457d372d3b47931","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Appendix A, Table 2 — Table of PWQOs and Interim PWQOs","page":null,"quote":"Propylene glycol, 1,3- CAS No. 504-63-2 10000 µg/L (Interim PWQO )"}}],"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":"CA-ON"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"1 3 propanediol\", 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":"CA-ON"},"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"}]}