{"query":{"parameter":"2 4 5 tp","place":"US-OK","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-OK","US"],"parameter_keys":["cas:93-72-1","name:2,4,5-tp","name:2-(2,4,5-trichloro-phenoxy)-propionic acid","name:2,4,5-trichlorophenoxy propionic acid","name:chlorophenoxy herbicide","name:chlorophenoxy herbicide (2,4,5-tp) [silvex]","name:chlorophenoxy herbicides","name:silvex (2, 4, 5-tp, 2- [2, 4, 5-trichlorophenoxy] propionic acid","name:silvex (2,4,5-tp, 2-[2,4,5-trichlorophenoxy]propionic acid"],"names_matched":[["2 4 5 tp","cas:93-72-1"],["2 4 5 tp","name:2,4,5-tp"],["2 2 4 5 trichloro phenoxy propionic acid 2 4 5 tp or silvex","name:2-(2,4,5-trichloro-phenoxy)-propionic acid"],["2 4 5 trichlorophenoxy propionic acid tp silvex","name:2,4,5-trichlorophenoxy propionic acid"],["chlorophenoxy herbicide 2 4 5 tp","name:chlorophenoxy herbicide"],["chlorophenoxy herbicide 2 4 5 tp silvex","name:chlorophenoxy herbicide (2,4,5-tp) [silvex]"],["chlorophenoxy herbicides 2 4 5 tp","name:chlorophenoxy herbicides"],["silvex 2 4 5 tp 2 2 4 5 trichlorophenoxy propionic acid","name:silvex (2, 4, 5-tp, 2- [2, 4, 5-trichlorophenoxy] propionic acid"],["silvex 2 4 5 tp 2 2 4 5 trichlorophenoxy propionic acid","name:silvex (2,4,5-tp, 2-[2,4,5-trichlorophenoxy]propionic acid"]],"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":14,"offset":0,"returned":14,"next_offset":null,"rows":[{"id":"2161e7ddb9d04cff","parameter":"2-4-5-TP Silvex","value":"10","value_num":10,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:93-72-1","place":["US-OK"],"conditions":["receiving_water is freshwater","waters designated Public and Private Water Supply (a water's designated uses: Appendix A; not evaluated)"],"cite":{"instrument":"us_ok_wqs","title":"Oklahoma's Water Quality Standards (OAC 252:730): Appendix G Tables 1-2 numerical criteria by beneficial use, and the numerical criteria of 252:730-5-10, 5-12 and 5-19, and Appendix F chloride, sulfate and TDS by WQM segment (252:730-5-13)","issuer":"State of Oklahoma, Department of Environmental Quality (Environmental Quality Board)","edition":"OAC 252:730 as DEQ codifies it (Board adoption February 17, 2023, effective September 15, 2023; DEQ's own PDF, born-digital). US EPA's posting in effect for CWA purposes (effective December 18, 2024, cover February 10, 2025) is an OCR'd scan of the later edition; its Appendix G carries no amendment after September 15, 2023. EPA's exceptions are honoured: the perchlorate 'fish consumption and water' 9 µg/L (no action) and the Livestock Agriculture subcategory (disapproved) are not held; Appendix E site-specific criteria for Poteau and Idabel are not held. Appendix F (amended effective 9-15-24 in EPA's posting) prints the same values as DEQ's 2023 PDF; its eight-digit sub-watershed segments (note (4)) carry EPA's no action and are not held","source_url":"https://oklahoma.gov/content/dam/ok/en/deq/documents/deqmainresources/730.pdf","source_sha256":"483572da2c80c9686956047426b41f44e56388c1ab5873c5ce38b6d905b70b40","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"OAC 252:730 Appendix G Table 2","page":136,"quote":"2-4-5-TP Silvex 93721 10"}},{"id":"50eeffc11f80402d","parameter":"2,4,5-TP (Silvex)","value":"1.0","value_num":1,"unit":"mg/L","direction":"max","kind":"threshold","medium":"leachate","level":"national","parameter_key":"cas:93-72-1","place":["US"],"conditions":["(a) A solid waste (except manufactured gas plant waste) exhibits the characteristic of toxicity if, using the Toxicity Characteristic Leaching Procedure, test Method 1311 in “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods,” EPA Publication SW-846, as incorporated by reference in § 260.11 of this chapter, the extract from a representative sample of the waste contains any of the contaminants listed in table 1 at the concentration equal to or greater than the respective value given in that table. Where the waste contains less than 0.5 percent filterable solids, the waste itself, after filtering using the methodology outlined in Method 1311, is considered to be the extract for the purpose of this section."],"cite":{"instrument":"us_40cfr261_24","title":"40 CFR 261.24 — Toxicity characteristic: Table 1, maximum concentration of contaminants for the toxicity characteristic (TCLP regulatory levels)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 261.24 as of 2026-10-13 (title 40 up to date as of that day)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=261&section=261.24","source_sha256":"3a1ec9b0d3051c70e471e359275657b0fa6d98e80927d2217e82b2dbbca60961","fetched_at":"2026-10-15","section":"40 CFR 261.24, Table 1","page":null,"quote":"D017 2,4,5-TP (Silvex) 93-72-1 1.0"}},{"id":"2449795aa75bead6","parameter":"Silvex/2,4,5-TP","value":"0.72","value_num":0.72,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:93-72-1","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","section":"40 CFR 268.48, Table UTS, Organic Constituents, wastewater standard","page":null,"quote":"Silvex/2,4,5-TP 93-72-1 0.72 7.9"}},{"id":"a04a44caa7a4f73e","parameter":"Silvex/2,4,5-TP","value":"7.9","value_num":7.9,"unit":"mg/kg","statistic":"instant","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:93-72-1","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","section":"40 CFR 268.48, Table UTS, Organic Constituents, nonwastewater standard","page":null,"quote":"Silvex/2,4,5-TP 93-72-1 0.72 7.9"}},{"id":"9fe426b47d9f92ea","parameter":"Chlorophenoxy 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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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Chlorophenoxy Herbicide (2,4,5-TP) [Silvex] 93721 100 400 2015"}},{"id":"ea360ff717370842","parameter":"Chlorophenoxy Herbicide (2,4,5-TP) [Silvex]","value":"400","value_num":400,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:93-72-1","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 freshwater","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Chlorophenoxy Herbicide (2,4,5-TP) [Silvex] 93721 100 400 2015"}},{"id":"ab6f27aad8bbeb17","parameter":"Trichlorophenoxypropionic acid, -2,4,5","value":"510","value_num":510,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:93-72-1","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"5e0554bbf58862e8","parameter":"Trichlorophenoxypropionic acid, 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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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"Chlorophenoxy Herbicide (2,4,5-TP) [Silvex] 93721 100 400 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-OK"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"2 4 5 tp\", 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-OK"},"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"}]}