(Bloomberg) -- A federal agency has ordered the owner of the controversial Mountain Valley Pipeline to undertake a series of safety inspections on the 300-mile project, arguing that segments of pipe left exposed or buried underground for years amid project delays could pose a safety risk. Most Read from BloombergRussia Calls Emergency Key Rate Meeting as Ruble PlungesHollywood Studios Offer Writers a New Deal With Push From Netflix, Iger to End StrikeTrump Indictment Lays Out Sweeping Georgia El