{"query":{"parameter":"silvex","place":"US-IL","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-IL","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":10,"offset":0,"returned":10,"next_offset":null,"rows":[{"id":"e6708d5c67dd2dce","parameter":"2-(2,4,5-Trichloro-phenoxy)-propionic acid (2,4,5-TP or Silvex)","value":"0.01","value_num":0.01,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:2-(2,4,5-trichloro-phenoxy)-propionic acid","place":["US-IL"],"conditions":["receiving_water is freshwater","at any point at which water is withdrawn for treatment and distribution as a potable supply or for food processing (35 Ill. Adm. Code 302.301)"],"cite":{"instrument":"us_il_wqs","title":"Illinois 35 Ill. Adm. Code 302 Water Quality Standards: general use (Subpart B), public and food processing water supply (Subpart C) and Lake Michigan Basin (Subpart E) numeric standards","issuer":"State of Illinois, Pollution Control Board","edition":"35 Ill. Adm. Code Part 302 effective June 24, 2019, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2019-11/documents/ilwqs-title35-part302.pdf","source_sha256":"5e0bbfc56069872e1b0fbe1ed98672de1c3b2fda558ded29028800410f829b13","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"35 Ill. Adm. 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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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