After more than a week of official inaction, the New Mexico Environment Department has taken over the cleanup of hundreds of gallons of emulsified oil that spilled from an overturned tanker truck Sept. 26. The spilled oil, destined for a postponed state chip seal project on the highway, flowed down an intermittent tributary and into Jaybird Canyon. “NMED is working with [trucking company] R. Marley LLC, the U.S. Forest Service, …