{"query":{"parameter":"total soluble inorganic nitrogen","place":"US-NV","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NV","US"],"parameter_keys":["name:total soluble inorganic nitrogen"],"names_matched":[["total soluble inorganic nitrogen","name:total soluble inorganic nitrogen"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1,"offset":0,"returned":1,"next_offset":null,"rows":[{"id":"4eb5c5a215dbc058","parameter":"Total soluble inorganic nitrogen","value":"25.0","value_num":25,"unit":"µg/L","statistic":"annual_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:total soluble inorganic nitrogen","place":["US-NV"],"conditions":["receiving_water is freshwater","cites is a NAC 445A control-point section (NAC 445A.1254 to 445A.2214)","Lake Tahoe (NAC 445A.1626): The limits of this table apply to the body of water known as Lake Tahoe for its existing sampling points. This segment of Lake Tahoe is located in Carson City and Douglas and Washoe Counties; a control point's criteria apply upstream to the next control point or named water (NAC 445A.1239)"],"cite":{"instrument":"us_nv_cp","title":"Nevada NAC 445A.1254 to 445A.2214: standards of water quality at each control point (requirements to maintain existing higher quality and water quality criteria to protect beneficial uses)","issuer":"State of Nevada, State Environmental Commission (Division of Environmental Protection)","edition":"NAC Chapter 445A Water Controls effective June 11, 2025, as US EPA posts it in effect for CWA purposes (cover August 20, 2025: EPA approvals since the May 2022 publication in red, removed text as red strikeout)","source_url":"https://www.epa.gov/system/files/documents/2025-11/nvwqs.pdf","source_sha256":"eb1b4a585f250db61459d5e820ab06240338a5084afa75cf6df28dcbf4af2d4d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NAC 445A.1626","page":274,"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-NV"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"total soluble inorganic nitrogen\", 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-NV"},"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"}]}