May 30-13 people were injured in natural gas explosion at Williams Gas Pipeline facility in Branchburg, NJ.
May 14-Explosion at Williams natural gas compressor in Brooklyn Twp., Susquehanna County [video]
Approx. May 22-A Louisiana man was killed at a North Dakota drillsite
May 1-More than 1,600 gallons of oil spilled from an oil storage tank into a creek in Trumbull County, OH [video]