“…Models have solved the following issues: single network planning (Anderson and Nigam, 1967;Anderson, 1968;Fuertes et al, 1974;Helms and Clark, 1974;Kuhner and Harrington, 1975;Jenkins, 1979;Clayton, 1976;Rao, 1975) dynamic, multi-period investment (Marks et al, 1970;Marks and Liebman, 1971) size and site facilities (Chapman and Yakowitz, 1984;Huang, 2006a,b, 2009a,b;Nie et al, 2007;Li et al, 2007Li et al, , 2006Li et al, , 2008aHuang et al, 2001Huang et al, , 2002Xu et al, 2009) manage infrastructures like landfill Models developed: WRAP (USEPA, 1977) Simulation model…”