{"query":{"parameter":"silvex","place":"US-KS","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-KS","US"],"parameter_keys":["cas:93-72-1","name:2-(2,4,5-trichloro-phenoxy)-propionic acid","name:2,4,5-trichlorophenoxy propionic acid","name:chlorophenoxy herbicide (2,4,5-tp) [silvex]","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","name:chlorophenoxy herbicide"],"names_matched":[["silvex","cas:93-72-1"],["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 silvex","name:chlorophenoxy herbicide (2,4,5-tp) [silvex]"],["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"],["chlorophenoxy herbicide 2 4 5 tp","name:chlorophenoxy herbicide","chlorophenoxy herbicide 2 4 5 tp"]],"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":11,"offset":0,"returned":11,"next_offset":null,"rows":[{"id":"78a42961e9d911a8","parameter":"2,4,5-TP (Silvex)","value":"400","value_num":400,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:93-72-1","place":["US-KS"],"conditions":["receiving_water is freshwater","classified waters designated for food procurement use (a water's designated uses: the Kansas surface water register; not evaluated)"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1a","page":9,"quote":"2,4,5-TP (Silvex) 93721 a a a a 400 100"}},{"id":"3f9988778f47c402","parameter":"2,4,5-TP (Silvex)","value":"100","value_num":100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:93-72-1","place":["US-KS"],"conditions":["receiving_water is freshwater","points of domestic water supply diversion on classified waters designated for domestic water supply use (a water's designated uses: the Kansas surface water register; not evaluated)"],"cite":{"instrument":"us_ks_wqs","title":"Kansas Surface Water Quality Standards, Tables of Numeric Criteria (K.A.R. 28-16-28e): Table 1a by designated use, Table 1b formulas, Table 1g dissolved oxygen, pH and temperature, Table 1h natural background","issuer":"State of Kansas, Department of Health and Environment (Bureau of Water)","edition":"Kansas surface water quality standards: tables of numeric criteria, dated July 1, 2023, adopted by reference in K.A.R. 28-16-28e(e) (amended November 8, 2024), as US EPA posts it in effect for CWA purposes (effective March 31, 2025)","source_url":"https://www.epa.gov/system/files/documents/2023-01/kswqs-numeric-criteria.pdf","source_sha256":"11e107ef12fbc69f241a0aa01685313369c1300cf11d9ef43e3ef6f63614e27e","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Kansas SWQS tables of numeric criteria, Table 1a","page":9,"quote":"2,4,5-TP (Silvex) 93721 a a a a 400 100"}},{"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":"9fe426b47d9f92ea","parameter":"Chlorophenoxy Herbicide (2,4,5-TP) [Silvex]","value":"100","value_num":100,"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 water + organism: a water designated a drinking-water source and for fish and shellfish (a designated use the state assigns)"],"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); 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