{"id":"S89003031","label":"Water--Purification--Screening","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh89003031","normalized_label":"water--purification--screening","broader":[],"aliases":["Screening in water purification"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh89003031","provider":"lcsh","revision":"f19808ab039c6394","taxonomy_revision":"f050b5d4780b1289","title":"Water--Purification--Screening","url":"/topics/S89003031","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"598072752926491138","address_version":"morton4x16-v1","coordinates":[0,21,14416,23552],"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}