This document summarizes the key points of a seminar presentation on biosafety and waste management in a histopathology laboratory. It discusses biosafety levels and guidelines, practices for ensuring biosafety, categories and classifications of pathological waste, principles and steps for effective waste management, and provides recommendations. The document outlines biosafety as protecting against pathogen contamination and biosecurity as protecting against loss or release of pathogens. It also describes guidelines for segregating, collecting, storing, transporting, and treating different categories of pathological waste.