{"id":"S85110349","label":"Radiation, Background","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110349","normalized_label":"radiation, background","broader":["http://id.loc.gov/authorities/subjects/sh85110340"],"aliases":["Background radiation","Environmental radioactivity","Natural radiation","Radiation, Natural","Radioactivity, Environmental"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110349","provider":"lcsh","revision":"924942c3dbf3bf5a","taxonomy_revision":"f050b5d4780b1289","title":"Radiation, Background","url":"/topics/S85110349","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326590413777814020","address_version":"morton4x16-v1","coordinates":[0,20,19129,13312],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}