{"id":"S93003248","label":"Hazardous wastes--Purification","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93003248","normalized_label":"hazardous wastes--purification","broader":[],"aliases":["Purification of hazardous wastes"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93003248","provider":"lcsh","revision":"ff4c34f23ffaca8c","taxonomy_revision":"f050b5d4780b1289","title":"Hazardous wastes--Purification","url":"/topics/S93003248","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9817921954530068068","address_version":"morton4x16-v1","coordinates":[0,22,11383,49152],"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}