This article provides a guide on how to manage chemical contamination issues in the environment. It covers the basics of risk assessment, including understanding the hazards, exposure, and risks involved. The process involves identifying contaminants, evaluating data, analyzing exposure, and determining the effects on health and the environment. Different techniques like human health risk assessments and ecological risk assessments are used to assess the risks. The goal is to establish acceptable limits for chemical concentrations in the environment and develop remediation goals. Overall, risk assessment plays a crucial role in making decisions related to environmental management and helps in designing effective risk management programs.