{"id":"S93000952","label":"Water--Purification--Dissolved air flotation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93000952","normalized_label":"water--purification--dissolved air flotation","broader":["http://id.loc.gov/authorities/subjects/sh85049264"],"aliases":["DAF (Water purification)","Dissolved air flotation (Water purification)","Pressure flotation (Water purification)","Water--Purification--Pressure flotation"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93000952","provider":"lcsh","revision":"525d62ddee618ddb","taxonomy_revision":"f050b5d4780b1289","title":"Water--Purification--Dissolved air flotation","url":"/topics/S93000952","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9853950751544836708","address_version":"morton4x16-v1","coordinates":[0,22,11347,57344],"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}