1. Aseptic Techniques: This includes practices like wearing gloves, sterilizing instruments, and using laminar flow cabinets to create a sterile field. 2. Sterilization Methods: Equipment and materials are sterilized using methods such as autoclaving, dry heat, and chemical disinfectants. 3. Cleanroom Standards: Many histology labs adhere to cleanroom standards that regulate air quality, temperature, and humidity to minimize contamination. 4. Regular Monitoring: Labs employ routine testing and monitoring for microbial contamination to ensure ongoing sterility.