{"id":"S85022939","label":"Chemical plants--Odor control","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85022939","normalized_label":"chemical plants--odor control","broader":["http://id.loc.gov/authorities/subjects/sh85094108"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85022939","provider":"lcsh","revision":"6d1fda28fdaade9a","taxonomy_revision":"f050b5d4780b1289","title":"Chemical plants--Odor control","url":"/topics/S85022939","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900873874353291844","address_version":"morton4x16-v1","coordinates":[0,20,17763,27648],"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}