This book focuses on enabling readers to critically evaluate the latest environmental issue & to apply that understanding to situation an risk associate with it. Hospital waste management is an imperative environmental and public safety issue due to the waste is infectious and hazardous character.This book explores the existing waste management practices in selected hospitals in Sri Lanka. And it includes the new monitoring data on waste composition, waste generation rate, capacity of waste treatment plants. Chemical analysis of heavy metal concentrations also in clouded for understanding the toxicity effects to environment. Conductivity environmental risk assessment on contaminated Side provides the information to make decisions to minimize the threat to human health and the environment. All these basic information are help to select, designing and planing the proper waste management systems for hospitals.