{"id":"S97005610","label":"Water treatment plant residuals--Purification--Alum removal","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh97005610","normalized_label":"water treatment plant residuals--purification--alum removal","broader":[],"aliases":["Alum removal (Water treatment plant residuals)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh97005610","provider":"lcsh","revision":"3163fcdea348dfb7","taxonomy_revision":"f050b5d4780b1289","title":"Water treatment plant residuals--Purification--Alum removal","url":"/topics/S97005610","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9277555971012559394","address_version":"morton4x16-v1","coordinates":[0,23,8384,43008],"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}