{"id":"S2004007620","label":"Water--Purification--Chloramination","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004007620","normalized_label":"water--purification--chloramination","broader":["http://id.loc.gov/authorities/subjects/sh93001160"],"aliases":["Chloramination of water","Water chloramination","Water--Chloramination"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004007620","provider":"lcsh","revision":"7a02ad301a05bb42","taxonomy_revision":"f050b5d4780b1289","title":"Water--Purification--Chloramination","url":"/topics/S2004007620","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4902238848320430662","address_version":"morton4x16-v1","coordinates":[0,477,51947,4096],"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}