{"id":"S93003423","label":"Discharge of ballast water","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93003423","normalized_label":"discharge of ballast water","broader":["http://id.loc.gov/authorities/subjects/sh93003422"],"aliases":["Ballast water discharge","Ballast water--Discharge"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93003423","provider":"lcsh","revision":"8082f8e2d7b20c30","taxonomy_revision":"f050b5d4780b1289","title":"Discharge of ballast water","url":"/topics/S93003423","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"632980048089334368","address_version":"morton4x16-v1","coordinates":[0,22,11386,31744],"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}