{"id":"S85104543","label":"Pollution control industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85104543","normalized_label":"pollution control industry","broader":["http://id.loc.gov/authorities/subjects/sh85104530"],"aliases":["Environmental engineering industries","Environmental services industry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85104543","provider":"lcsh","revision":"d34859f32d929f38","taxonomy_revision":"f050b5d4780b1289","title":"Pollution control industry","url":"/topics/S85104543","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903191902558766656","address_version":"morton4x16-v1","coordinates":[0,20,19038,31744],"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}