{"query":{"parameter":"arsenic","place":"EU","medium":null,"statistic":null,"kind":null},"searched":{"places":["EU"],"parameter_keys":["cas:7440-38-2","name:arsenic (+3)","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc","name:arsenic, dissolved","name:arsenic iii","name:arsenic extractible","name:arsenic - total","name:arsenic, total","name:arsenic v","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc","name:total arsenic"],"names_matched":[["arsenic","cas:7440-38-2"],["arsenic 3","name:arsenic (+3)"],["arsenic 3 total recoverable","name:arsenic (+3)"],["arsenic cadmium h copper h lead h mercury zinc","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["arsenic cadmium h copper h lead h mercury zinc h","name:arsenic, cadmium (h), copper (h), lead (h), mercury, zinc"],["arsenic cadmium h copper h lead h zinc","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["arsenic cadmium h copper h lead h zinc h","name:arsenic, cadmium (h), copper (h), lead (h), zinc"],["arsenic dissolved","name:arsenic, dissolved"],["arsenic dissolved trivalent","name:arsenic iii"],["arsenic extractible","name:arsenic extractible"],["arsenic iii","name:arsenic iii"],["arsenic iii dissolved","name:arsenic iii"],["arsenic iii total recoverable","name:arsenic iii"],["arsenic total","name:arsenic - total"],["arsenic total","name:arsenic, total"],["arsenic trivalent","name:arsenic iii"],["arsenic trivalent dissolved","name:arsenic iii"],["arsenic v","name:arsenic v"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc"],["chemical oxygen demand arsenic radium dissolved and total uranium zinc h","name:chemical oxygen demand, arsenic, radium (dissolved and total, uranium, zinc"],["total arsenic","name:total arsenic"],["total arsenic freshwater","name:total arsenic"],["total arsenic marine","name:total arsenic"]],"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":"0a86ca7a7a42797f","parameter":"Arsenic","value":"6","value_num":6,"unit":"ng/m³","direction":"max","kind":"guideline","medium":"ambient_air","level":"eu","parameter_key":"cas:7440-38-2","place":["EU"],"conditions":["31 December 2012"],"cite":{"instrument":"eu_air","title":"Directive 2008/50/EC on ambient air quality and cleaner air for Europe, Annexes VII, XI, XII, XIII and XIV (Annex VI for the lead sampling method), consolidated text 18.09.2015 as amended by Commission Directive (EU) 2015/1480; with Directive 2004/107/EC Annex I","issuer":null,"edition":"02008L0050 — EN — 18.09.2015 — 001.002","source_url":"http://publications.europa.eu/resource/celex/02008L0050-20150918","source_sha256":null,"fetched_at":null,"source_status":{"checked":"2026-10-15","status":"not verified"},"section":"ANNEX I Target values for arsenic, cadmium, nickel and benzo(a)pyrene","page":null,"quote":"Arsenic 6 ng/m 3","column":"valeur"}},{"id":"f38dae34e77725e9","parameter":"Arsenic","value":"10 μg/l","value_num":10,"unit":"μg/l","direction":"max","kind":"limit","medium":"drinking_water","level":"eu","parameter_key":"cas:7440-38-2","place":["EU"],"conditions":[],"cite":{"instrument":"eu_dwd","title":"Directive (EU) 2020/2184 of the European Parliament and of the Council of 16 December 2020 on the quality of water intended for human consumption (recast), Annex I Part B — chemical parameters","issuer":"European Parliament and Council of the European Union","edition":"Directive (EU) 2020/2184, OJ L 435, 23.12.2020, p. 1","source_url":"https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32020L2184","source_sha256":"39c4a65fee1dfe9eecfdc1ba3f67d9dcbce681c4698a3b3dda2e9e9bb4fb0177","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"column":"valeur"}}],"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":"EU"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"arsenic\", 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":"EU"},"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"}]}