| Wj | 1 If TTC is installed in location j, 0 otherwise |
| ZCTjt | 1 If TTC j is utilized in period t; 0 otherwise |
| ZCct | 1 If ETC c is utilized in period t, 0 otherwise |
| Yict | Amount of waste transported from MWGC i to ETC c in period t |
| YTijt | Amount of waste transported from MWGC i to TTC j in period t |
| TQct | Amount of waste treated at ETC c in period t |
| TQTjt | Amount of waste treated at TTC j in period t |
| Qcdt | Amount of waste transported from ETC c to SL d in period t |
| QTjdt | Amount of waste transported from TTC j to SL d in period t |
| UQit | Amount of uncollected waste at MWGC i |
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