{"id":"S85145415","label":"Waste gases","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85145415","normalized_label":"waste gases","broader":["http://id.loc.gov/authorities/subjects/sh85053395"],"aliases":["Exhaust gases","Gases, Waste"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85145415","provider":"lcsh","revision":"b4c0228a5906ae5e","taxonomy_revision":"f050b5d4780b1289","title":"Waste gases","url":"/topics/S85145415","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290706477478725124","address_version":"morton4x16-v1","coordinates":[0,20,19677,7168],"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}