Regulations (Standards - 29 CFR) - Table of Contents|
| Part Number:||1918|
| Part Title:||Safety and Health Regulations for Longshoring|
| Subpart Title:||General Working Conditions|
| Standard Number:||1918.93|
| Title:||Hazardous atmospheres and substances (See also 1918.2(j)).|
| GPO Source:||e-CFR|
Purpose and scope. This section covers areas in which the employer knows, or has reason to believe, that a hazardous atmosphere or substance may exist, except where one or more of the following sections apply: 1918.94(a), Carbon monoxide; 1918.94(b), Fumigated grains; 1918.94(c), Fumigated tobacco; 1918.94(d), Other fumigated cargoes; 1918.94(e), Catch of menhaden and similar species of fish.
Determination of the hazard. When the employer knows, or has reason to believe, that a space on a vessel contains or has contained a hazardous atmosphere, a designated and appropriately equipped person shall test the atmosphere prior to employee entry to detect whether a hazardous atmosphere exists.
Testing during ventilation. When mechanical ventilation is used to maintain a safe atmosphere, tests shall be made by a designated person to ensure that the atmosphere is not hazardous.
Entry into hazardous atmospheres. Only designated persons shall enter hazardous atmospheres, in which case the following provisions shall apply:
Persons entering a space containing a hazardous atmosphere shall be protected by respiratory and emergency protective equipment meeting the requirements of subpart J of this part;
Persons entering a space containing a hazardous atmosphere shall be instructed about the hazards, prec