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首页> 外文会议>Annual Contaminated Soils Conference; 200110; Amherst,MA; US >Emergency Response Actions and Bioremediation of a 700-Gallon Diesel Fuel Spill, Palmer Railroad Yard, Palmer Massachusetts
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Emergency Response Actions and Bioremediation of a 700-Gallon Diesel Fuel Spill, Palmer Railroad Yard, Palmer Massachusetts

机译：马萨诸塞州帕尔默市帕尔默铁路围场的700加仑柴油泄漏事故的应急响应行动和生物修复

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In late December 1999, a rail car accident occurred approximately 1000 feet north of New England Central Railroad's (NECR) Palmer, Massachusetts rail yard. The incident left a two-foot long by two-inch wide gash in the 2500-gallon diesel fuel tank of the rail engine involved in the accident. An unknown volume of the fuel spilled to the ground surface in the vicinity of the point of impact. Further compounding the magnitude of the release was the schedule for train usage of the track on which the accident occurred. To avoid a major catastrophe with the next scheduled train, which was due to pass the incident zone within 30-minutes, NECR employees transferred the damaged engine to an available spur within the yard. Additional fuel spilled from the tank along 1,000 feet of rail track during the transfer and at the final resting point of the damaged engine. Emergency responders subsequently estimated the total volume of spilled fuel to be approximately 700 gallons. This paper will detail the emergency response actions that were implemented at the release site to minimize contaminant migration and which were undertaken as an Immediate Response Action (IRA) under the Massachusetts Contingency Plan (MCP) regulations (310 CMR 40.0000 et seq.). The unique challenges presented by conducting cleanup activities along an active rail line will be discussed. Additionally, the concept of "background" petroleum hydrocarbon concentrations within a 150-year old railroad depot, and the sampling and analytical program that we developed to document those background concentrations, will be highlighted. Finally, the paper will describe the bioremediation program that was developed to address residual diesel fuel-contaminated soils that could not be remediated during the emergency response efforts. This discussion will focus on the use of indigenous bacteria to degrade residual petroleum hydrocarbons and on the use of nutrients for enhancement of biodegradation within the contaminated zones along and within the active rail tracks.
机译：1999年12月下旬，马萨诸塞州新英格兰中央铁路（NECR）帕尔默铁路场以北约1000英尺处发生了一场铁路事故。事故在涉及事故的铁路发动机的2500加仑柴油燃料箱中留下了两英尺长，两英寸宽的煤气。未知数量的燃料溢出到冲击点附近的地面上。发生事故的轨道的火车使用时间表进一步加剧了释放的难度。为避免下一班预定的火车在30分钟内通过事故区域而造成重大灾难，NECR的员工将损坏的发动机转移到了场内的一个支线上。在转移过程中以及在受损发动机的最终静止点，沿着油箱沿轨道1,000英尺从油箱溢出的额外燃油。紧急响应人员随后估计泄漏的燃料总量约为700加仑。本文将详细介绍在释放场所实施的应急行动，以最大程度地减少污染物迁移，这些行动是根据马萨诸塞州应急计划（MCP）法规（310 CMR 40.0000等）进行的立即响应行动（IRA）。将讨论沿活跃铁路线进行清理活动所带来的独特挑战。此外，还将着重介绍具有150年历史的铁路仓库中“本底”石油烃浓度的概念，以及我们为记录这些本底浓度而开发的采样和分析程序。最后，本文将描述生物修复计划，该计划旨在解决在应急响应过程中无法修复的残留柴油污染的土壤。讨论将集中于利用本地细菌降解残留的石油碳氢化合物，以及利用营养物质来增强沿活动轨道沿线和内部污染区域内的生物降解。

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