{"query":{"parameter":"trans crotonaldehyde","place":"US-FL","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-FL","US"],"parameter_keys":["cas:123-73-9","cas:4170-30-3","cas:19780-25-7","cas:15798-64-8"],"names_matched":[["trans crotonaldehyde","cas:123-73-9"],["2 butenal","cas:4170-30-3","2 butenal"],["2 ethyl 2 butenal","cas:19780-25-7","2 butenal"],["cis crotonaldehyde","cas:15798-64-8","crotonaldehyde"],["crotonaldehyde","cas:4170-30-3","crotonaldehyde"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":10,"offset":0,"returned":10,"next_offset":null,"rows":[{"id":"54dcf21e92921c7e","parameter":"Crotonaldehyde","value":"0.02","value_num":0.02,"unit":"µg/L","direction":"max","kind":"threshold","medium":"groundwater","level":"regional","parameter_key":"cas:123-73-9","place":["US-FL"],"conditions":["groundwater (Table I, Groundwater Criteria column)","Note: If more than one contaminant is present at a site, CTLs are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Figure 10 of the February 2005 'Final Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.' However, GCTLs for primary and secondary standards shall not be modified."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table I, Groundwater and Surface Water Cleanup Target Levels, Groundwater Criteria (DEP spreadsheet, sheet TTable1, row 145)","page":null,"quote":"row 145: Crotonaldehyde | 0.02 |  |  | 0.2 |  | 123-73-9 | -yes  | Minimum Criteria | NA | NA |  | Carcinogen"}},{"id":"0cf631960e479177","parameter":"Crotonaldehyde","value":"0.2","value_num":0.2,"unit":"µg/L","direction":"max","kind":"threshold","medium":"groundwater","level":"regional","parameter_key":"cas:123-73-9","place":["US-FL"],"conditions":["groundwater of low yield/poor quality (Table I, Groundwater of Low Yield/Poor Quality Criteria column)","Note: If more than one contaminant is present at a site, CTLs are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Figure 10 of the February 2005 'Final Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.' However, GCTLs for primary and secondary standards shall not be modified."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table I, Groundwater and Surface Water Cleanup Target Levels, Groundwater of Low Yield/Poor Quality Criteria (DEP spreadsheet, sheet TTable1, row 145)","page":null,"quote":"row 145: Crotonaldehyde | 0.02 |  |  | 0.2 |  | 123-73-9 | -yes  | Minimum Criteria | NA | NA |  | Carcinogen"}},{"id":"5564623b97a18f2a","parameter":"Crotonaldehyde","value":"0.6","value_num":0.6,"unit":"mg/kg","direction":"max","kind":"threshold","medium":"soil","level":"regional","parameter_key":"cas:123-73-9","place":["US-FL"],"conditions":["residential direct exposure (Table II, Direct Exposure - Residential column)","Note: If more than one contaminant is present at a site, the direct exposure values are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Appendix D 'Draft Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.', dated February 2005."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table II, Soil Cleanup Target Levels, Direct Exposure - Residential (DEP spreadsheet, sheet TTable2, row 135)","page":null,"quote":"row 135: Crotonaldehyde |  | 123-73-9 | 0.6 | 3.3 | 0.00008 | NA | NA | 0.0008 | -yes "}},{"id":"99440fb31dc98ae1","parameter":"Crotonaldehyde","value":"3.3","value_num":3.3,"unit":"mg/kg","direction":"max","kind":"threshold","medium":"soil","level":"regional","parameter_key":"cas:123-73-9","place":["US-FL"],"conditions":["industrial direct exposure (Table II, Direct Exposure - Industrial column)","Note: If more than one contaminant is present at a site, the direct exposure values are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Appendix D 'Draft Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.', dated February 2005."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table II, Soil Cleanup Target Levels, Direct Exposure - Industrial (DEP spreadsheet, sheet TTable2, row 135)","page":null,"quote":"row 135: Crotonaldehyde |  | 123-73-9 | 0.6 | 3.3 | 0.00008 | NA | NA | 0.0008 | -yes "}},{"id":"40afc0dbdf21082e","parameter":"Crotonaldehyde","value":"0.00008","value_num":0.00008,"unit":"mg/kg","direction":"max","kind":"threshold","medium":"soil","level":"regional","parameter_key":"cas:123-73-9","place":["US-FL"],"conditions":["leachability based on groundwater criteria (Table II, Leachability Based on Groundwater column)","Note: If more than one contaminant is present at a site, the direct exposure values are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Appendix D 'Draft Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.', dated February 2005."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table II, Soil Cleanup Target Levels, Leachability Based on Groundwater (DEP spreadsheet, sheet TTable2, row 135)","page":null,"quote":"row 135: Crotonaldehyde |  | 123-73-9 | 0.6 | 3.3 | 0.00008 | NA | NA | 0.0008 | -yes "}},{"id":"2ec4a521766c702d","parameter":"Crotonaldehyde","value":"0.0008","value_num":0.0008,"unit":"mg/kg","direction":"max","kind":"threshold","medium":"soil","level":"regional","parameter_key":"cas:123-73-9","place":["US-FL"],"conditions":["leachability based on groundwater of low yield/poor quality criteria (Table II, Leachability based on GW of Low Yield/Poor Quality column)","Note: If more than one contaminant is present at a site, the direct exposure values are to be modified, if necessary, such that the sum of the hazard quotients for non-carcinogenic contaminants affecting the same organ(s) is 1 or less. For carcinogens, the direct exposure values shall be modified such that the cumulative lifetime risk level posed by the contaminants is 1.0E-06, as presented in Appendix D 'Draft Technical Report: Development of Cleanup Target Levels (CTLs) for Chapter 62-777, F.A.C.', dated February 2005."],"cite":{"instrument":"us_fl_62_777","title":"Chapter 62-777, F.A.C. (Florida): cleanup target levels — Table I Groundwater and Surface Water, Table II Soil","issuer":"State of Florida, Department of Environmental Protection (Division of Waste Management)","edition":"Chapter 62-777, F.A.C., Tables I and II as the Department of Environmental Protection posts them as spreadsheets: Table I '62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005 .xlsx' and Table II '62-777TechReportApril2005Table2SoilCTLs-CAS_24Oct13_0.xlsx' (server Last-Modified 2025-10-30 for both), fetched 2026-10-15; DEP's petroleum excerpt of the same tables (held) dates them 'effective April 17, 2005'","source_url":"https://floridadep.gov/sites/default/files/62-777-TechRprt-Table1-Groundwater-CTLs_Feb2005%20.xlsx","source_sha256":"d4eff83970269c22f672f6723b5d139b992eccbb64afc372622abb56f23d91c9","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Ch. 62-777 F.A.C. Table II, Soil Cleanup Target Levels, Leachability based on GW of Low Yield/Poor Quality (DEP spreadsheet, sheet TTable2, row 135)","page":null,"quote":"row 135: Crotonaldehyde |  | 123-73-9 | 0.6 | 3.3 | 0.00008 | NA | NA | 0.0008 | -yes "}},{"id":"dedc052109acd899","parameter":"Crotonaldehyde, trans-","value":"0.37","value_num":0.37,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:123-73-9","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":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"310dc6f4eab4c9ba","parameter":"Crotonaldehyde, trans-","value":"1.7","value_num":1.7,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:123-73-9","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":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"36fcb4c572c87be4","parameter":"Crotonaldehyde, trans-","value":"8.2e-06","value_num":0.0000082,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:123-73-9","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":"not verified"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"59c5d79a125404ba","parameter":"Crotonaldehyde, trans-","value":"0.04","value_num":0.04,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:123-73-9","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":"not verified"},"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-FL"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"trans crotonaldehyde\", 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-FL"},"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"}]}