**Chapter 7 115**

Photocatalytic Treatment of Pesticides Using TiO2 Doped with Rare Earth *by Juan C. Arévalo Pérez, José Gilberto Torres Torres, Durvel de la Cruz Romero, Hermicenda Perez-Vidal, Maria Antonia Lunagomez Rocha, Ignacio Cuauhtémoc López, Adrian Cervantes Uribe and Zenaida Guerra Que* 

## **Chapter 8 137**

 Assessment of Microbial Load Reduction Efficiency of Sewage Treatment Plants (STP's) in Mysore, Karnataka, India *by Severeni Ashili, Harikaranahalli Puttaiah Shivaraju and George Jessen* 
