Locations Include: 77401, 77028, 77030, 77002, 77026, 77088, 77039, 77520, 77009, 77070, 77449, 77021, 77099, 77012, 77004, 77047, 77018, 77504, 77017, 77031, 77054, 77338, 77506, 77074. Maintain a clean, safe, and organized event environment, including litter removal and replacement of waste receptacle liners as needed.