# Standards { "id": "S00007508", "title": "Standards", "url": "/topics/S00007508", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "d2eb74a9ebd8f880", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "578712552188675076", "address_version": "morton4x16-v1", "coordinates": [ 0, 0, 117, 20480 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Use as a topical subdivision under individual chemicals and groups of chemicals, types of industries and educational institutions, and topical headings for descriptions of the example or model set up and established by authority as the measure of quantity, quality, value, extent, weight, etc., to be followed. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh00007508 No owner-reviewed local answer yet.