DynaLabs LLC, a St. Louis-based pharmaceuticals testing lab, spent $1.5 million to double the size of its testing facility, the company announced Monday. Artisan Building Co. of St. Louis was the general contractor on the project, which added a 15,500-square-foot second floor that features wet chemistry and analytical laboratories and an area for glassware washing and drying. A lunch area and conference space also was added. The facility, at 2327 Chouteau Ave., now is 33,500 square feet. "We...