COMPLIANCE INFO_2010-2011 - Laserfiche WebLink

Home Browse Search

Appendix 1.0 - Definitions Backup- Refers to the person who can be easily contacted and immediately respond to provide assistance to the standby person. Blanked Off- The sealing, capping or plugging of lines. Class 1, Division 1, Group D Equipment- Electrical equipment that is explosion proof. Combustible Liquid- Any liquid having a flash point at or above 100°F. Confined Space - Means all areas or pieces of equipment where: (1) existing ventilation is insufficient to remove dangerous air concentrations and/or oxygen deficiency may exist or develop, and (2) the ready access or egress for the removal of a suddenly-disabled worker is difficult due to the location or size of the opening. Dangerous Air Concentration- Is an atmosphere that may cause injury, or illness, due to the presence of flammable or combustible vapors, or toxic substances in excess of the safe limits. Designated Tester- Refers to the person who has received training and has a demonstrated ability in performing tests for flammable/toxic vapors and oxygen deficiency. Enclosed Space - Means any area, enclosure or piece of equipment where a dangerous air concentration and oxygen deficiency does not exist BUT the ready access or egress for the removal of a suddenly- disabled worker is difficult due to the location or size of the opening. Note: All enclosed spaces shall be considered confined spaces until tests verify the space is safe for entry. Flammable limits- Lower Flammable Limit- The minimum concentration of a flammable vapor in air or oxygen that will ignite if an ignition source is applied. Upper Flammable Limit- The maximum concentration of a flammable vapor in air or oxygen that will ignite if an ignition source is applied. Flammable Range- The range of concentrations of flammable vapor in air or oxygen, between and inclusive of the lower flammable limit and upper flammable limit,that will propagate flame or explosion if ignited. 2/99 Page 22 of 30