{"id":"S98005256","label":"Hydrogen mitigation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh98005256","normalized_label":"hydrogen mitigation","broader":["http://id.loc.gov/authorities/subjects/sh96004918"],"aliases":["Mitigation of hydrogen"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh98005256","provider":"lcsh","revision":"9ce848f56a3103e4","taxonomy_revision":"f050b5d4780b1289","title":"Hydrogen mitigation","url":"/topics/S98005256","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"325459858189059618","address_version":"morton4x16-v1","coordinates":[0,23,24004,8192],"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}