{"query":{"parameter":"gross alpha","place":"US-AK","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-AK","US"],"parameter_keys":["name:gross alpha","name:adjusted gross alpha","name:gross alpha particle activity","name:gross alpha particles including radium-226,but not radon or uranium","cas:14127-62-9","name:gross alpha radiation","name:gross alpha radioactivity","name:radioactive substances"],"names_matched":[["gross alpha","name:gross alpha"],["adjusted gross alpha","name:adjusted gross alpha"],["gross alpha particle activity","name:gross alpha particle activity"],["gross alpha particle activity excluding radon and uranium","name:gross alpha particle activity"],["gross alpha particle activity including radium 226 but excluding radon and uranium","name:gross alpha particle activity"],["gross alpha particle activity including radium 226 excluding radon and uranium","name:gross alpha particle activity"],["gross alpha particles including radium 226 but not radon or uranium","name:gross alpha particles including radium-226,but not radon or uranium"],["gross alpha radiation","cas:14127-62-9"],["gross alpha radiation","name:gross alpha radiation"],["gross alpha radioactivity","name:gross alpha radioactivity"],["radioactive substances gross alpha particle activity including radium 226 but excluding radon and uranium","name:radioactive substances"]],"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":"cbba6712a3e627fd","parameter":"Gross alpha","value":"15 (pCi/l)","value_num":15,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:gross alpha","place":["US-AK"],"conditions":["fresh water designated for water supply: drinking, culinary and food processing (18 AAC 70.020(b))"],"cite":{"instrument":"us_ak_wqs","title":"Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances (fresh and marine aquatic life, human health, water supply), with 18 AAC 70.020(b) dissolved inorganic substances and marine salinity","issuer":"State of Alaska, Department of Environmental Conservation","edition":"Toxics Manual as amended through September 8, 2022, adopted by reference in 18 AAC 70, as US EPA posts it in effect for CWA purposes (effective April 14, 2023; cover April 24, 2023); 18 AAC 70 as EPA posts it effective January 8, 2026 (rows from it name their own source)","source_url":"https://www.epa.gov/system/files/documents/2023-05/akwqs-toxics-manual.pdf","source_sha256":"c835973dac59a2b48a376b34d11333eba7ff7a0f024cee0864e42470a2283b37","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Alaska Toxics Manual (2022), Table of criteria","page":19,"quote":null}},{"id":"5a849b7c9c077ac0","parameter":"Gross alpha particle activity (excluding radon and uranium)","value":"Zero","value_num":0,"direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"name:gross alpha particle activity","place":["US"],"conditions":["40 CFR 141.2: Maximum contaminant level goals are nonenforceable health goals."],"cite":{"instrument":"us_npdwr","title":"40 CFR Part 141 — National Primary Drinking Water Regulations (eCFR, as of 2026-08-01)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=141","source_sha256":"bd534eb2d8af38e141e1cd6236134a638298fbf14791b30279eeb47d815d7767","fetched_at":"2026-08-29","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"141.55","page":null,"quote":null,"column":"mclg"}}],"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-AK"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"gross alpha\", 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-AK"},"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"}]}