| http://www.w3.org/ns/prov#value | - ilation, pulling contaminants away from the point of originmonitor the confined space:- before entry and- continuously while working within the confined spaceif the permit required confined space was purged with argon, carbon dioxide, nitrogen or other similar inerting gas, the confined space shall be ventilated and re-tested before entry if after re-testing the atmosphere remains unsafe or unac
|
