{"query":{"parameter":"endosulfan","place":"US-CO","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CO","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":36,"names":["alpha-Endosulfan","beta-Endosulfan","Endosulfan Sulfate","Endosulfan sulfate","Endosulfan, alpha","Endosulfan, beta","Endosulfan I","Endosulfan II"],"says":"36 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":7,"offset":0,"returned":7,"next_offset":null,"rows":[{"id":"d4332a2b06755004","parameter":"Endosulfan","value":"42","value_num":42,"unit":"µg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:115-29-7","place":["US-CO"],"conditions":["receiving_water is freshwater","segments classified for water supply (Table B note 2)"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"5 CCR 1002-31 31.11(3) Table B","page":38,"quote":null}},{"id":"08c7baf422855b74","parameter":"Endosulfan","value":"0.11","value_num":0.11,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:115-29-7","place":["US-CO"],"conditions":["receiving_water is freshwater","all aquatic life segments (Table B note 4)"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"5 CCR 1002-31 31.11(3) Table B","page":38,"quote":null}},{"id":"f77c6e41173e5915","parameter":"Endosulfan","value":"0.056","value_num":0.056,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:115-29-7","place":["US-CO"],"conditions":["receiving_water is freshwater","all aquatic life segments (Table B note 4)"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"5 CCR 1002-31 31.11(3) Table B","page":38,"quote":null}},{"id":"6a238cd64b06c4ec","parameter":"Endosulfan","value":"470","value_num":470,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:115-29-7","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":"246d54c1424b98b6","parameter":"Endosulfan","value":"7000","value_num":7000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:115-29-7","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":"5fe7e7fc82ab2419","parameter":"Endosulfan","value":"1.4","value_num":1.4,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:115-29-7","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":"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-CO"},"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-CO"},"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"}]}