{"query":{"parameter":"isophorone","place":"US-VT","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-VT","US"],"parameter_keys":["cas:78-59-1","cas:4098-71-9","cas:53880-05-0","cas:2855-13-2","cas:55954-19-3"],"names_matched":[["isophorone","cas:78-59-1"],["diisocyanate d isophorone","cas:4098-71-9"],["homopolymere de diisocyanate d isophorone","cas:53880-05-0"],["isophorone diamine","cas:2855-13-2"],["isophorone diaminea","cas:2855-13-2"],["isophorone diisocyanate","cas:4098-71-9"],["isophorone diisocyanate caprolactam adduct 1 2","cas:55954-19-3"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order; rows for a marine receiving water after the rest, as none of the place's own rows names a marine, salt, estuarine, coastal or ocean water"},"total":9,"offset":0,"returned":9,"next_offset":null,"rows":[{"id":"0c62e317001d6ed1","parameter":"Isophorone","value":"34","value_num":34,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:78-59-1","place":["US-VT"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_vt_wqs","title":"Vermont Water Quality Standards, Environmental Protection Rule Chapter 29A: Appendix C criteria for the protection of human health and aquatic biota, § 29A-302(5) dissolved oxygen and § 29A-303(6) pH","issuer":"State of Vermont, Agency of Natural Resources, Department of Environmental Conservation","edition":"effective March 5, 2024, as US EPA posts it in effect for CWA purposes (cover page August 5, 2024; EPA took no action only on the wetland provisions)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/vtwqs.pdf","source_sha256":"ed3a16d84d1402d4285dde5d9675435cfddda16d5ec55e3acccd6499441f3101","fetched_at":"2026-10-10","section":"Vermont Water Quality Standards Appendix C","page":58,"quote":null}},{"id":"82d7a7b77004eae2","parameter":"Isophorone","value":"1,800","value_num":1800,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:78-59-1","place":["US-VT"],"conditions":["receiving_water is freshwater"],"cite":{"instrument":"us_vt_wqs","title":"Vermont Water Quality Standards, Environmental Protection Rule Chapter 29A: Appendix C criteria for the protection of human health and aquatic biota, § 29A-302(5) dissolved oxygen and § 29A-303(6) pH","issuer":"State of Vermont, Agency of Natural Resources, Department of Environmental Conservation","edition":"effective March 5, 2024, as US EPA posts it in effect for CWA purposes (cover page August 5, 2024; 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each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Isophorone (P) 78591 34 1,800 2015"}},{"id":"99ff73aa00b08025","parameter":"Isophorone","value":"570","value_num":570,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:78-59-1","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","section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"9ca58d47ba4f1aad","parameter":"Isophorone","value":"2400","value_num":2400,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:78-59-1","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","section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"d22a68575e5cba4e","parameter":"Isophorone","value":"0.026","value_num":0.026,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:78-59-1","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","section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"f5cfdd61fa4c3284","parameter":"Isophorone","value":"78","value_num":78,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:78-59-1","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","section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"1ac605136cc8585e","parameter":"Isophorone","value":"1,800","value_num":1800,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:78-59-1","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is marine","consumption of organism only: a water designated for fish and shellfish taken from it, not a drinking-water source (fresh or salt)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Isophorone (P) 78591 34 1,800 2015"}}],"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-VT"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"isophorone\", 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-VT"},"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"}]}