{"query":{"parameter":"ammonium perchlorate","place":"US-NC","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NC","US"],"parameter_keys":["cas:7790-98-9","cas:7791-03-9","cas:14797-73-0","cas:7601-90-3","cas:7778-74-7","cas:7601-89-0"],"names_matched":[["ammonium perchlorate","cas:7790-98-9"],["lithium perchlorate","cas:7791-03-9","perchlorate"],["perchlorate","cas:14797-73-0","perchlorate"],["perchlorate","cas:7601-90-3","perchlorate"],["perchlorate and perchlorate salts","cas:14797-73-0","perchlorate"],["potassium perchlorate","cas:7778-74-7","perchlorate"],["sodium perchlorate","cas:7601-89-0","perchlorate"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":12,"names":["~Lithium Perchlorate","~Perchlorate and Perchlorate Salts","~Potassium Perchlorate","~Sodium Perchlorate"],"says":"12 rows share a parameter key with a longer name holding \"ammonium perchlorate\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"ammonium perchlorate\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":3,"offset":0,"returned":3,"next_offset":null,"rows":[{"id":"6899d64b717e72a9","parameter":"~Ammonium Perchlorate","value":"55","value_num":55,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7790-98-9","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"57a69739105d5ca1","parameter":"~Ammonium Perchlorate","value":"820","value_num":820,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7790-98-9","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"dc07cd063c42f207","parameter":"~Ammonium Perchlorate","value":"14","value_num":14,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:7790-98-9","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}}],"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-NC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"ammonium perchlorate\", 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-NC"},"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"}]}