Kettle-Lakes Cooperative - Executive Summary |
|
1. Accidental Release Prevention and Emergency Response Policies We at the Kettle-Lakes Cooperative, Cedar Grove, Wisconsin facility are strongly committed to employee, public and environmental safety. This commitment is inherent to a comprehensive accidental release prevention program in place that covers areas such as design, installation, operating procedures, maintenance, and employee training associated with the processes at our facility. It is our policy to implement appropriate controls to prevent possible releases of regulated substances. Unforeseeably, if such a release does occur, we are completely coordinated with emergency responders to provide highly trained emergency response personnel to control and mitigate the effects of the release. 2. The Stationary Source and the Regulated Substances Handled We have the following regulated substances present at our facility. Substance: Propane Maximum Inventory: 102,000 pounds Exceeds 40 CFR Part 68 Threshold: Yes Substance: Anhydrous Ammonia Maximum Inventory: 124,000 pounds Exceeds 40 CFR Part 68 Threshold: Yes 3. The Worst Case Release Scenario(s) and the Alternative Release Scenario(s), including administrative controls and mitigation measures to limit the distances for each reported scenario. The following paragraphs provide details of the chosen scenarios. The worst case release scenario submitted for propane involves a catastrophic release from the propane storage vessel. The scenario involves the release of 102,000 pounds of propane forming a vapor cloud explosion. Under worst case weather conditions, namely Class F atmospheric stability and 1.5 m/s windspeed, the maximum distance of 0.4 miles is obtained corresponding to an overpressure of 1 psi from the explosion. One alternative release scenario has been submitted for propane as well. The scenario involves the release of 7,500 pounds of propane over 5 minutes (1,500 p ounds per minute). Under neutral weather conditions, the maximum distance to the 1 psi overpressure endpoint is 0.1 miles. The worst case release scenario submitted for andydrous ammonia involves a catastrophic release from the storage vessel. The scenario involves the release of 124,000 pounds of ammonia in a gaseous form over 10 minutes. Under worst case weather conditions, namely Class F atmospheric stability and 1.5 m/s windspeed, the maximum distance of 3.6 miles is obtained corresponding to a toxic endpoint of 0.14 mg/l. One alternative release scenario has been submitted for ammonia as well. The scenario involves the release of 125 pounds of ammonia over 1 minute during a pull away of the piping while filling the tank. Under neutral weather conditions, the maximum distance to the toxic endpoint of 0.14 mg/l is 0.1 miles. 4. The General Accidental Release Prevention Program and the Chemical-Specific Prevention Steps Our facility has taken all the necessary steps to comp ly with the accidental release prevention program requirements set out under 40 CFR part 68 of the EPA. The following items were identified and reviewed by the facility personnel: Safety Information Hazard Review Operating Procedures Training Maintenance Compliance Audits (as needed in the future) Incident Investigation (as needed in the future) 5. Five-year Accident History The facility has had an excellent record of preventing accidental releases over the last five years. Due to our stringent release prevention policies, no accidental releases have occurred during this period. 6. Emergency Response Plan The facility is not the first responder in the event of an accidental release of hazardous materials. Therefore, the facility does not maintain its own written emergency action plan to deal with such releases. The Cedar Grove Fire Department is the first responder to any ammonia or propane emergencies. All Cedar Grove firefighters/parametics are qualified as first responders. |