Daniel Electric Generating Plant - Executive Summary |
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Mississippi Power Company's Daniel Electric Generating Plant, located near Escatawpa, Mississippi is a 2 Unit steam electric generating plant. Sulfur Dioxide is currently utilized as an ash conditioner to enchance the collection of particulate matter within the unit's electrostatic percipitator. The facility is currently installing a perminant sulfur burner to replace this material. The Sulfur Dioxide is stored in a tanker which holds 40,000 lbs of Sulfur Dioxide. The total quantity of Sulfur Dioxide exceeds the threshold limit of 5000 lbs contained within the 112r regulations. The OSHA Process Safety Management (PSM) program is required if the material is greater than 1000 lbs and Program 3 is required for Plant Daniel. The main hazard that would be associated with the Sulfur Dioxide at Plant Daniel is a toxic hazard. The most likely event is a transfer hose failure. The system is equiped with relief valves, check valves, manual and automatic shutoof valves. The worst case an d the alternative case utilized the Reference tables. The model determined that the worst case scenario's toxic end point from the release of the Sulfur Dioxide would be 18 miles. The alternate case scenario would reach a toxic end point at 1.7 miles. Plant Daniel has not had any spills of Sulfur Dioxide in the past five years and the material will be replaced when the sulfur burner is completed. Emergency Plans are coordinated with local response personnel. |