State Impact Pennsylvania’s Susan Phillips talks with the Delaware River Master about the potential impact of gas drilling on the water supplies for four states. Craig Ey of the Philadelphia Business Journal reviews the year’s business stories for the area. Taunya English gets the details on a new do-it-yourself kit for couples struggling with infertility. Kimberly Haas visits a vintage letterpress print shop in Port Richmond. On our Fit series, Lari Robling tours an Asian market for seasonal produce.