{"id":"S85130719","label":"Surface contamination","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85130719","normalized_label":"surface contamination","broader":["http://id.loc.gov/authorities/subjects/sh85031524","http://id.loc.gov/authorities/subjects/sh85130750"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85130719","provider":"lcsh","revision":"e29f4908c6d43ea0","taxonomy_revision":"f050b5d4780b1289","title":"Surface contamination","url":"/topics/S85130719","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903191920816555588","address_version":"morton4x16-v1","coordinates":[0,20,19447,31744],"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}