{"query":{"parameter":"tributyltin","place":"US-RI","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-RI","US"],"parameter_keys":["cas:36643-28-4","cas:688-73-3","cas:56-35-9","name:organotins - tributyltin","name:trialkyltin compounds","name:tributyltin compounds","cas:56573-85-4","name:tributyltin tbt"],"names_matched":[["tributyltin","cas:36643-28-4"],["tributyltin","cas:688-73-3"],["bis tributyltin oxide","cas:56-35-9"],["organotins tributyltin","name:organotins - tributyltin"],["trialkyltin compounds as tributyltin","name:trialkyltin compounds"],["tributyltin compounds","name:tributyltin compounds"],["tributyltin oxide","cas:56-35-9"],["tributyltin tbt","cas:56-35-9"],["tributyltin tbt","cas:56573-85-4"],["tributyltin tbt","name:tributyltin tbt"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":4,"names":["Tributyltin Oxide"],"says":"4 rows share a parameter key with a longer name holding \"tributyltin\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"tributyltin\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":15,"offset":0,"returned":15,"next_offset":null,"rows":[{"id":"e9f21ccd2ab1744e","parameter":"Tributyltin","value":"0.46","value_num":0.46,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:688-73-3","place":["US-RI"],"conditions":["receiving_water is freshwater","fresh waters (salinity 1 ppt or less; brackish 1-10 ppt takes the more stringent)"],"cite":{"instrument":"us_ri_wqs","title":"250-RICR-150-05-1 Water Quality Regulations (Rhode Island), § 1.26(J) acute and chronic aquatic life criteria for freshwater and saltwater and human health criteria; § 1.10 class pH","issuer":"State of Rhode Island, Department of Environmental Management","edition":"effective January 13, 2026, as US EPA posts it in effect for Clean Water Act purposes (the chronic mercury revisions and the freshwater xylene criteria still under EPA review)","source_url":"https://www.epa.gov/system/files/documents/2026-04/rhode-island-wqs.pdf","source_sha256":"6a4f444874a8d35b77506ed07b9c2f70c467c8fef3325b8a09ddfc78df5b3743","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"250-RICR-150-05-1 § 1.26(J)","page":170,"quote":null}},{"id":"0d9b894dc4b68ce0","parameter":"Tributyltin","value":"0.072","value_num":0.072,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:688-73-3","place":["US-RI"],"conditions":["receiving_water is freshwater","fresh waters (salinity 1 ppt or less)"],"cite":{"instrument":"us_ri_wqs","title":"250-RICR-150-05-1 Water Quality Regulations (Rhode Island), § 1.26(J) acute and chronic aquatic life criteria for freshwater and saltwater and human health criteria; § 1.10 class pH","issuer":"State of Rhode Island, Department of Environmental Management","edition":"effective January 13, 2026, as US EPA posts it in effect for Clean Water Act purposes (the chronic mercury revisions and the freshwater xylene criteria still under EPA review)","source_url":"https://www.epa.gov/system/files/documents/2026-04/rhode-island-wqs.pdf","source_sha256":"6a4f444874a8d35b77506ed07b9c2f70c467c8fef3325b8a09ddfc78df5b3743","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"250-RICR-150-05-1 § 1.26(J)","page":170,"quote":null}},{"id":"dc2bcc485ea4fe93","parameter":"Tributyltin","value":"0.42","value_num":0.42,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:688-73-3","place":["US-RI"],"conditions":["receiving_water is marine","salt waters (salinity 10 ppt or more; brackish 1-10 ppt takes the more stringent)"],"cite":{"instrument":"us_ri_wqs","title":"250-RICR-150-05-1 Water Quality Regulations (Rhode Island), § 1.26(J) acute and chronic aquatic life criteria for freshwater and saltwater and human health criteria; 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§ 1.10 class pH","issuer":"State of Rhode Island, Department of Environmental Management","edition":"effective January 13, 2026, as US EPA posts it in effect for Clean Water Act purposes (the chronic mercury revisions and the freshwater xylene criteria still under EPA review)","source_url":"https://www.epa.gov/system/files/documents/2026-04/rhode-island-wqs.pdf","source_sha256":"6a4f444874a8d35b77506ed07b9c2f70c467c8fef3325b8a09ddfc78df5b3743","fetched_at":"2026-10-10","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"250-RICR-150-05-1 § 1.26(J)","page":170,"quote":null}},{"id":"e48c179a2b0133aa","parameter":"Tributyltin (TBT)","value":"0.46","value_num":0.46,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:688-73-3","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 freshwater","Freshwater CMC (acute): criterion maximum concentration, acute"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Tributyltin (TBT) — 0.46 0.072 0.42 0.0074 2004"}},{"id":"689991b081bb8f5e","parameter":"Tributyltin (TBT)","value":"0.072","value_num":0.072,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:688-73-3","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 freshwater","Freshwater CCC (chronic): criterion continuous concentration, chronic"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Tributyltin (TBT) — 0.46 0.072 0.42 0.0074 2004"}},{"id":"2b48dc38984d507f","parameter":"Tributyltin (TBT)","value":"0.42","value_num":0.42,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:688-73-3","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","Saltwater CMC (acute): criterion maximum concentration, acute"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Tributyltin (TBT) — 0.46 0.072 0.42 0.0074 2004"}},{"id":"981701e1d42fd549","parameter":"Tributyltin (TBT)","value":"0.0074","value_num":0.0074,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:688-73-3","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","Saltwater CCC (chronic): criterion continuous concentration, chronic"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Tributyltin (TBT) — 0.46 0.072 0.42 0.0074 2004"}},{"id":"d204d725355fa752","parameter":"Tri-n-butyltin","value":"23","value_num":23,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:688-73-3","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":"a422fc9fc814840f","parameter":"Tri-n-butyltin","value":"350","value_num":350,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:688-73-3","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":"af9e7ee8a8cafbeb","parameter":"Tri-n-butyltin","value":"0.082","value_num":0.082,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:688-73-3","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":"eca468abb574d5b8","parameter":"Tri-n-butyltin","value":"3.7","value_num":3.7,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:688-73-3","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"}},{"id":"a2344249b072e58f","parameter":"Tributyltin Compounds","value":"19","value_num":19,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"name:tributyltin compounds","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":"511bb0628d37fa18","parameter":"Tributyltin Compounds","value":"250","value_num":250,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"name:tributyltin compounds","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":"8e37d76c7d9b0d56","parameter":"Tributyltin Compounds","value":"6","value_num":6,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"name:tributyltin compounds","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-RI"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"tributyltin\", 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-RI"},"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"}]}