{"query":{"parameter":"dissolved oxygen","place":"US-FL","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-FL","US"],"parameter_keys":["cas:7782-44-7","name:dissolved oxygen","name:diel dissolved oxygen flux","name:minimum dissolved oxygen","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc","name:oxygen - dissolved","name:oxygen, dissolved"],"names_matched":[["dissolved oxygen","cas:7782-44-7"],["dissolved oxygen","name:dissolved oxygen"],["diel dissolved oxygen flux","name:diel dissolved oxygen flux"],["minimum dissolved oxygen","name:minimum dissolved oxygen"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc","oxygen dissolved"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc h","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc","oxygen dissolved"],["oxygen dissolved","name:oxygen - dissolved","oxygen dissolved"],["oxygen dissolved","name:oxygen, dissolved","oxygen dissolved"],["oxygen dissolved intergravel","name:oxygen, dissolved","oxygen dissolved"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"835b7a60eb5b04dd","parameter":"Dissolved oxygen","value":"Shall not average less than 4.0 in a 24-hour period","value_num":4,"unit":"mg/L","statistic":"daily_avg","direction":"min","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:dissolved oxygen","place":["US-FL"],"conditions":["receiving_water is freshwater","Class IV, agricultural water supplies (waters listed by name in 62-302.400, F.A.C.)"],"cite":{"instrument":"us_fl_wqs","title":"F.A.C. 62-302.530 Table: Surface Water Quality Criteria (Florida) — Class I, II, III fresh, III marine and IV criteria","issuer":"State of Florida, Department of Environmental Protection (Environmental Regulation Commission)","edition":"Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 45); EPA's re-posting of 2026-10-05 (PDF CreationDate), fetched 2026-10-15","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"9865f1a6486a9332278c619fbcd71dc9f4f19af10e39576eea8ae900136aa284","fetched_at":"2026-10-15","section":"F.A.C. 62-302.530(30)","page":35,"quote":null}},{"id":"c2d9a0a4d48ca5dd","parameter":"Dissolved oxygen","value":"shall never be less than 3.0.","value_num":3,"unit":"mg/L","statistic":"instant","direction":"min","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:dissolved oxygen","place":["US-FL"],"conditions":["receiving_water is freshwater","Class IV, agricultural water supplies (waters listed by name in 62-302.400, F.A.C.)"],"cite":{"instrument":"us_fl_wqs","title":"F.A.C. 62-302.530 Table: Surface Water Quality Criteria (Florida) — Class I, II, III fresh, III marine and IV criteria","issuer":"State of Florida, Department of Environmental Protection (Environmental Regulation Commission)","edition":"Chapter 62-302, F.A.C., as US EPA posts it in effect for Clean Water Act purposes; 62-302.530 amended through 11-25-25 (its history note, p. 45); EPA's re-posting of 2026-10-05 (PDF CreationDate), fetched 2026-10-15","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/fl_section62-302.pdf","source_sha256":"9865f1a6486a9332278c619fbcd71dc9f4f19af10e39576eea8ae900136aa284","fetched_at":"2026-10-15","section":"F.A.C. 62-302.530(30)","page":35,"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-FL"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"dissolved oxygen\", 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-FL"},"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"}]}