{"query":{"parameter":"sodium fluoride","place":"US-NE","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NE","US"],"parameter_keys":["cas:7681-49-4","cas:16984-48-8","cas:7782-41-4","name:fluoride @ 90°f","cas:7664-39-3"],"names_matched":[["sodium fluoride","cas:7681-49-4"],["fluoride","cas:16984-48-8","fluoride"],["fluoride","cas:7782-41-4","fluoride"],["fluoride 90 f","name:fluoride @ 90°f","fluoride"],["fluoride as f","cas:16984-48-8","fluoride"],["fluoride dissolved","cas:16984-48-8","fluoride"],["fluoride t","cas:16984-48-8","fluoride"],["fluoride total","cas:16984-48-8","fluoride"],["fluoride total recoverable","cas:16984-48-8","fluoride"],["fluorine soluble fluoride","cas:7782-41-4","fluoride"],["hydrogen fluoride","cas:7664-39-3","fluoride"],["total fluoride","cas:16984-48-8","fluoride"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":1556,"names":["Fluoride","Fluoride (as F)","Fluoride (T)","Fluorine (Soluble Fluoride)","Hydrogen Fluoride","Total fluoride","Fluoride(T)","Fluorides"],"says":"1556 rows share a parameter key with a longer name holding \"sodium fluoride\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"sodium fluoride\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":6,"offset":0,"returned":6,"next_offset":null,"rows":[{"id":"5d86e907a6cd4432","parameter":"Fluoride","value":"4.0 mg/L","value_num":4,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7681-49-4","place":["US-NE"],"conditions":["receiving_water is freshwater","surface waters which serve as a public drinking water supply (004.01; Chapters 5 and 6)"],"cite":{"instrument":"us_ne_wqs","title":"Nebraska Title 117, Surface Water Quality Standards, Chapter 4: aquatic life (general, toxic substances, coldwater and warmwater classes), lake nutrients, public drinking water and agricultural criteria","issuer":"State of Nebraska, Environmental Quality Council (Department of Environment and Energy)","edition":"Neb. Admin. Code Title 117, effective August 2, 2023 (Chapter 4 pages dated June 24, 2019), as US EPA posts it in effect for CWA purposes (cover September 5, 2023: the chronic mercury criterion in effect is 0.051 µg/L, EPA having deferred action on 0.77 µg/L; 003.05's chlorophyll a sentence disapproved; 004.01B's background sentence not approved; selenium and cadmium remain subject to ESA consultation)","source_url":"https://www.epa.gov/system/files/documents/2023-09/newqs-title117.pdf","source_sha256":"647f1d39531b7b2024e90f45cf69b0da17856324172e984c1e3da9bb6adb3036","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Neb. Admin. 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check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-NE"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"sodium fluoride\", 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-NE"},"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"}]}