Hospital Rooms & Containment Laboratories

aht has been certifying Biological Safety Level (BSL) Labs and Hospital Isolation and Surgical Rooms for the past 20 years. Our personnel have been involved in certifying some of the highest level labs in Canada.

Biological Safety Levels (BSL) are a series of protections designed to mitigate and control exposures to the microorganisms that are dealt with in particular biological laboratories, based on the hazard level of the microorganism. There are individual safeguards designed to protect laboratory personnel, as well as the surrounding environment and community. These levels, which are ranked from one to four, are selected based on the agents or organisms that are being researched or worked on in any given laboratory setting, with Level 1 being low risk to Level 4 being of the highest risk.

Isolation Rooms are rooms usually designed under negative pressure to help prevent the spread of viruses in a hospital setting. The goal is to protect patients, their families, other visitors, and healthcare workers from spreading throughout the facility.

Surgical Rooms are designed to maintain a sterile environment. In order to ensure a sterile environment is being achieved, annually testing and preventative maintenance is recommended.  aht works with many hospital facility managers to plan and perform testing and maintenance, to ensure the surgical rooms are meeting current guidelines with minimal downtime.

Some of the testing performed in certifying Isolation Rooms, Containment Laboratories, and Surgical Rooms include:

  • H.E.P.A. Filter Leak Test
  • Air Pressurization
  • Quantitative and Directional Airflow
  • Particle Counts



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