{"query":{"parameter":"propylene glycol","place":"US-NE","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NE","US"],"parameter_keys":["cas:57-55-6","cas:108-65-6","cas:64614-15-9","cas:6423-43-4","cas:52125-53-8","cas:70657-70-4","cas:57018-52-7","cas:53637-25-5","name:glycols 1,2 propylene glycol","cas:39420-45-6","name:propylene glycol,1,2-","cas:504-63-2","cas:107-98-2","cas:1331-17-5","cas:29387-86-8","cas:19224-26-1","cas:23436-19-3","cas:110-48-5","cas:10215-33-5","cas:1569-02-4","cas:1569-01-3","cas:30136-13-1","cas:5131-66-8","cas:4169-04-4","cas:77098-07-8","cas:39423-51-3","cas:42902-53-4"],"names_matched":[["propylene glycol","cas:57-55-6"],["acetate de l ether monomethylique du propylene glycol","cas:108-65-6"],["butyl methacrylate butyl acrylate styrene methyl methacrylate propylene glycol monoacrylate acrylic acid polymer","cas:64614-15-9"],["dinitrate de propylene glycol","cas:6423-43-4"],["ether monoethylique de propylene glycol","cas:52125-53-8"],["ether monomethylique du propylene glycol beta acetate de l","cas:70657-70-4"],["ether tert butylique du propylene glycol","cas:57018-52-7"],["ethylene glycol bis propylene glycol b ethylene glycol ether","cas:53637-25-5"],["glycols 1 2 propylene glycol","name:glycols 1,2 propylene glycol"],["poly propylene glycol methacrylate","cas:39420-45-6"],["propylene glycol 1 2","name:propylene glycol,1,2-"],["propylene glycol 1 3","cas:504-63-2"],["propylene glycol 1 methyl ether","cas:107-98-2"],["propylene glycol allyl ether","cas:1331-17-5"],["propylene glycol butyl ether","cas:29387-86-8"],["propylene glycol dibenzoate","cas:19224-26-1"],["propylene glycol dinitrate","cas:6423-43-4"],["propylene glycol isobutyl ether","cas:23436-19-3"],["propylene glycol isopropyl ether","cas:110-48-5"],["propylene glycol monmethyl ether 1 methoxy 2 propanol","cas:107-98-2"],["propylene glycol mono n butyl ether","cas:10215-33-5"],["propylene glycol monobutyl ether","cas:29387-86-8"],["propylene glycol monoethyl ether 1 ethoxy 2 propanol","cas:1569-02-4"],["propylene glycol monomethyl ether","cas:107-98-2"],["propylene glycol monomethyl ether acetate 1 methoxy 2 propyl acetate","cas:108-65-6"],["propylene glycol monopropyl ether","cas:1569-01-3"],["propylene glycol monopropyl ether","cas:30136-13-1"],["propylene glycol monopropyl ether 1 propoxy 2 propanol","cas:1569-01-3"],["propylene glycol monopropyl ethera","cas:1569-01-3"],["propylene glycol n butyl ethera","cas:5131-66-8"],["propylene glycol phenyl ether","cas:4169-04-4"],["propylene glycol t butyl ether 1 tert butoxy 2 propanol","cas:57018-52-7"],["tetrabromophthalic acid mixed esters with diethylene glycol and propylene glycol","cas:77098-07-8"],["trimethylolpropane tris poly propylene glycol amine terminated ether","cas:39423-51-3"],["3 4 methylphenyl amino propane 1 2 diol","cas:42902-53-4","propane 1 2 diol"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":6,"names":["Propylene Glycol Monomethyl Ether","Propylene Glycol Dinitrate"],"says":"6 rows share a parameter key with a longer name holding \"propylene glycol\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"propylene glycol\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":4,"offset":0,"returned":4,"next_offset":null,"rows":[{"id":"62dbacac416311ca","parameter":"Propylene Glycol","value":"1300000","value_num":1300000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:57-55-6","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":"044a5528dc9509ef","parameter":"Propylene Glycol","value":"16000000","value_num":16000000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:57-55-6","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":"529522d06c4c38fc","parameter":"Propylene Glycol","value":"81","value_num":81,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:57-55-6","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":"02d2fa516184ea3f","parameter":"Propylene Glycol","value":"400000","value_num":400000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:57-55-6","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-NE"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"propylene glycol\", 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-NE"},"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"}]}