{"query":{"parameter":"dalapon sodium salt","place":"US-MT","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-MT","US"],"parameter_keys":["cas:127-20-8","cas:75-99-0"],"names_matched":[["dalapon sodium salt","cas:127-20-8"],["dalapon sodium salt 2 2 dichloropropanoic acid","cas:75-99-0"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":8,"names":["Dalapon"],"says":"8 rows share a parameter key with a longer name holding \"dalapon sodium salt\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"dalapon sodium salt\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"d8ef823b171f1e23","parameter":"Dalapon, sodium salt","value":"200 MCL","value_num":200,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:127-20-8","place":["US-MT"],"conditions":["receiving_water is freshwater","Montana surface waters (human health surface water standard: water and fish consumption, 2.4 L and 22 g/day)"],"cite":{"instrument":"us_mt_wqs","title":"Montana Circular DEQ-7 Numeric Water Quality Standards: aquatic life acute and chronic and human health surface water standards; footnote (15) dissolved oxygen","issuer":"State of Montana, Department of Environmental Quality (Water Quality Division)","edition":"Circular DEQ-7, June 2019, as US EPA posts it in effect for CWA purposes (cover April 7, 2020; last EPA action April 23, 2018)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/mt-deq7.pdf","source_sha256":"beda1c7ee072086eaa2da108a4d3432ea613a1f7477fd3e008755c4834ff6dd8","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Circular DEQ-7 (June 2019)","page":26,"quote":null}}],"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-MT"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"dalapon sodium salt\", 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-MT"},"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"}]}