In the hours after the snow stopped falling in the Philadelphia region on Sunday, Streets and Sanitation workers went to work. The snow state of emergency lasted days, Philadelphia schools and courts were closed, SEPTA operations ceased. “Staffing issues are contributing to it but the main issue is proper training,” said Charles Carrington, the president of Local 427, which represents the sanitation and streets workers. “The best form of data we have is the 311 data,” Williams said. The NBC10 investigators analyzed the 311 data.