{"query":{"parameter":"nitric acid","place":"US-LA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-LA","US"],"parameter_keys":["cas:7697-37-2","cas:10102-05-3","cas:10102-45-1"],"names_matched":[["nitric acid","cas:7697-37-2"],["nitric acid palladium 2 salt","cas:10102-05-3"],["nitric acid thallium 1 salt","cas:10102-45-1"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":3,"names":["Thallium (I) Nitrate"],"says":"3 rows share a parameter key with a longer name holding \"nitric acid\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"nitric acid\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"ff0d32d445032364","parameter":"Nitric acid","value":"300.0","value_num":300,"unit":"lb/yr","direction":"max","kind":"threshold","medium":"air_emission","level":"regional","parameter_key":"cas:7697-37-2","place":["US-LA"],"conditions":["the source is a major source of toxic air pollutants (5103)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 51.1 Class III","page":null,"quote":"Nitric acid 7697-37-2  300.0"}},{"id":"5a9c3c92065553bd","parameter":"Nitric acid","value":"120.00","value_num":120,"unit":"µg/m³","statistic":"eight_hour_avg","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:7697-37-2","place":["US-LA"],"conditions":["a major source at or above the minimum emission rate demonstrates it (5109.B)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 51.2 Class III","page":null,"quote":"Nitric acid 7697-37-2 III 120.00"}}],"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-LA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"nitric acid\", 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-LA"},"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"}]}