{"id":"S99005645","label":"Environmental testing","description":"Use as a topical subdivision under individual materials and types of materials.","source_url":"https://id.loc.gov/authorities/subjects/sh99005645","normalized_label":"environmental testing","broader":["http://id.loc.gov/authorities/subjects/sh99005648"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh99005645","provider":"lcsh","revision":"1cba4eeb02cb9bb4","taxonomy_revision":"f050b5d4780b1289","title":"Environmental testing","url":"/topics/S99005645","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4651171956023231078","address_version":"morton4x16-v1","coordinates":[0,23,39635,13312],"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}