{"id":"S2002008750","label":"Water treatment plant residuals--Purification--Arsenic removal","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2002008750","normalized_label":"water treatment plant residuals--purification--arsenic removal","broader":[],"aliases":["Arsenic removal (Water treatment plant residuals)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2002008750","provider":"lcsh","revision":"4341d196445046a6","taxonomy_revision":"f050b5d4780b1289","title":"Water treatment plant residuals--Purification--Arsenic removal","url":"/topics/S2002008750","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9551149657539895874","address_version":"morton4x16-v1","coordinates":[0,477,20714,47104],"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}