{"id":"S85135047","label":"Threshold limit values (Industrial toxicology)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85135047","normalized_label":"threshold limit values (industrial toxicology)","broader":["http://id.loc.gov/authorities/subjects/sh85065953"],"aliases":["Exposure limits, Occupational","MAC values (Industrial toxicology)","MACs (Industrial toxicology)","MAK values (Industrial toxicology)","Maximum allowable concentrations (Industrial toxicology)","Maximum concentration values (Industrial toxicology)","Occupational exposure limits","TLVs (Industrial toxicology)","Values, Threshold limit (Industrial toxicology)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85135047","provider":"lcsh","revision":"f68e17b65666f28b","taxonomy_revision":"f050b5d4780b1289","title":"Threshold limit values (Industrial toxicology)","url":"/topics/S85135047","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290706476342067780","address_version":"morton4x16-v1","coordinates":[0,20,19515,7168],"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}