{"query":{"parameter":"endosulfan","place":"US-CA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CA","US"],"parameter_keys":["cas:115-29-7","cas:959-98-8","name:a-endosulfan","name:alpha-endosulfan","name:alpha-endosulfan beta-endosulfan","cas:33213-65-9","name:b-endosulfan","name:beta-endosulfan","name:endosulfan (i ou α) et (ii ou β), totaux","cas:1031-07-8"],"names_matched":[["endosulfan","cas:115-29-7"],["a endosulfan","cas:959-98-8"],["a endosulfan","name:a-endosulfan"],["alpha endosulfan","cas:959-98-8"],["alpha endosulfan","name:alpha-endosulfan"],["alpha endosulfan beta endosulfan","name:alpha-endosulfan beta-endosulfan"],["alpha endosulfan endosulfan","name:alpha-endosulfan"],["alpha endosulfan endosulfan i","cas:959-98-8"],["b endosulfan","cas:33213-65-9"],["b endosulfan","name:b-endosulfan"],["beta endosulfan","cas:33213-65-9"],["beta endosulfan","name:beta-endosulfan"],["beta endosulfan endosulfan","name:beta-endosulfan"],["beta endosulfan endosulfan ii","cas:33213-65-9"],["endosulfan alpha","cas:959-98-8"],["endosulfan beta","cas:33213-65-9"],["endosulfan i","cas:959-98-8"],["endosulfan i alpha","cas:959-98-8"],["endosulfan i ou et ii ou totaux","name:endosulfan (i ou α) et (ii ou β), totaux"],["endosulfan i the cis isomer of endosulfan","cas:959-98-8"],["endosulfan ii","cas:33213-65-9"],["endosulfan ii beta","cas:33213-65-9"],["endosulfan ii the trans isomer of endosulfan","cas:33213-65-9"],["endosulfan sulfate","cas:1031-07-8"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":41,"names":["alpha-Endosulfan","beta-Endosulfan","Endosulfan Sulfate","Endosulfan I","Endosulfan II","Endosulfan sulfate"],"says":"41 rows share a parameter key with a longer name holding \"endosulfan\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"endosulfan\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":9,"offset":0,"returned":9,"next_offset":null,"rows":[{"id":"ce129c1c8817a45f","parameter":"Endosulfan","value":"8.7E-03","value_num":0.0087,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:115-29-7","place":["US-CA"],"conditions":["Tier 1 ESLs: one level per chemical and medium for a generic site (residential land use, groundwater a drinking-water resource, shallow soil); a screening level is not a cleanup standard"],"cite":{"instrument":"us_ca_esl_groundwater","title":"California, San Francisco Bay RWQCB — Environmental Screening Levels (ESLs), Tier 1, 2025 (Rev. 4) — groundwater","issuer":"San Francisco Bay Regional Water Quality Control Board","edition":"2025 (Rev. 4)","source_url":"https://www.waterboards.ca.gov/sanfranciscobay/water_issues/programs/ESL/ESL_Summary_Tables_Rev4.pdf","source_sha256":null,"fetched_at":"2026-09-30","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"eau","column":"tier1"}},{"id":"c672f3f30532a0ce","parameter":"Endosulfan","value":"9.8E-03","value_num":0.0098,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"regional","parameter_key":"cas:115-29-7","place":["US-CA"],"conditions":["Tier 1 ESLs: one level per chemical and medium for a generic site (residential land use, groundwater a drinking-water resource, shallow soil); a screening level is not a cleanup standard"],"cite":{"instrument":"us_ca_esl_soil","title":"California, San Francisco Bay RWQCB — Environmental Screening Levels (ESLs), Tier 1, 2025 (Rev. 4) — soil","issuer":"San Francisco Bay Regional Water Quality Control Board","edition":"2025 (Rev. 4)","source_url":"https://www.waterboards.ca.gov/sanfranciscobay/water_issues/programs/ESL/ESL_Summary_Tables_Rev4.pdf","source_sha256":null,"fetched_at":"2026-09-30","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"tier1"}},{"id":"e894a4baab8662ca","parameter":"Endosulfan","value":"0.009","value_num":0.009,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:115-29-7","place":["US-CA"],"conditions":["receiving_water is marine","ocean waters of California (the territorial sea and the waters beyond the enclosed bays, estuaries and coastal lagoons): the Ocean Plan's jurisdiction","in the receiving water upon completion of initial dilution (chapter III.C.3)"],"cite":{"instrument":"us_ca_ocean_plan","title":"Water Quality Control Plan for Ocean Waters of California (California Ocean Plan, 2019): Table 3 water quality objectives, Table 4 effluent limitations, and the salinity limitation for desalination brine","issuer":"State of California, State Water Resources Control Board","edition":"California Ocean Plan 2019, effective February 4, 2019 (State Water Resources Control Board; 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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":"6489fcac3fe096f3","parameter":"Endosulfan","value":"100","value_num":100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:115-29-7","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-CA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"endosulfan\", 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-CA"},"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"}]}