HARRISBURG, Pa. - A divided Pennsylvania Supreme Court on May 30 overturned the Pennsylvania Superior Court on the grounds that the intermediate appellate court interposed its judgment with respect to managing complex litigation involving 45 plaintiffs alleging property contamination and residential vapor intrusion from a leaking underground gasoline tank (Susan B. Fralick Ball, et al. v. Bayard Pump & Tank Co. Inc., et al., No. 18 MAP 2011, Pa. Sup.; 2013 Pa. LEXIS 1039).