ExxonMobil Corp. has agreed to a $4 million fine, the largest environmental penalty the State of Maryland has ever levied, based on a 26,000-gallon gasoline spill from a service station in Baltimore County nearly three years ago. The agreement requires that ExxonMobil meet a specified cleanup schedule or pay annual penalties of $1 million. Maryland’s secretary of the environment has said that the amount of the penalty is in line with the risk to area water supplies. The leak occurred in early 2006 when a worker accidentally punctured a pipe, allowing gasoline to leach into the adjacent soil and threatening nearby groundwater

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