Failure to maintain a list of designated Class A, Class B and Class C operators at nine (9) facilities; failure to maintain records verifying that Class C operators had completed training/retraining at seven (7) of the facilities (Wawa stores 459, 465, 729, 758, 759, 946, and 8332); and failure to conduct monthly monitoring of pressurized piping at three (3) of the facilities inspected (Wawa stores 729, 758, and 8332). Training records were required to be compiled and maintained. Monthly monitoring issues were to be addressed through testing, maintenance and inspection. Replaced/repositioned sump sensors.