HomeWendy BuckleyContributing EditorHomeHM-251—It’s not just for crude oil anymoreJust a few months after HM-251 was published, there are already multiple appeals and at least two lawsuits.Operational excellenceBottles and boxes and jars, oh my!Approximately 12 million hazardous-materials packages were shipped in 2012 in the United States, but only 0.001 percent of those were found to be leaking in transportation.