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Keywords: Pipeline and Hazardous Materials Safety Administration, PHMSA, safety advisory 2013-07, Lac-Megantic, classification, hazardous materials, safety and security plans
Keywords: tank cars ; bottom outlet valves; hazardous materials; Title 49�(CFR) 174.50
Advises shippers, consignees, and railroads of the dangers of allowing cars of "time-sensitive" chemicals to remain undelivered beyond their anticipated date of placement and to recommend enhanced procedures to avoid such occurrences
Keywords: Hazardous Materials; flammable liquid ; tank car ; styrene monomer ; exclusion zone
Advising all persons involved in loading and unloading products from railroad tank cars that they cannot rely on internal excess flow valves to stop the flow of product except under the limited conditions for which these valves were designed and installed
Keywords: Hazardous Materials; railroad tank car; hazardous material;� tank car excess flow; NTSB