Cleanroom and Laboratory Enclosures

Cleanrooms and laboratory enclosures are specially designed environments used to maintain low levels of contaminants such as dust, airborne microbes, aerosol particles, and chemical vapors. They are crucial in various industries including pharmaceuticals, electronics manufacturing, biotech, and scientific research, among others.

Cleanroom Enclosures:

  1. Purpose:
    • Maintain a contamination-free environment.
    • Control environmental parameters such as temperature, humidity, and pressure.
  2. Types:
    • ISO Class 1 to 9: The ISO 14644-1 classification is based on the number of particles per cubic meter at specific particle sizes. Class 1 is the cleanest.
    • Federal Standard 209E Classes: Although largely outdated, some still refer to Class 1, 10, 100, 1,000, 10,000, and 100,000 based on particles per cubic foot.
  3. Features:
    • High-Efficiency Particulate Air (HEPA) or Ultra Low Penetration Air (ULPA) FiltersEssential for trapping particulates and ensuring clean air.
    • Air ShowersUsed for removing surface contaminants from personnel before entering.
    • Pass-Through ChambersAllow materials to be transferred into the cleanroom without contamination.
    • Positive PressurePrevents inflow of contaminated air.
  4. Maintenance:
    • Frequent cleaning with special non-linting wipes and cleaners.
    • Regular replacement of air filters.
    • Regular monitoring of environmental parameters.

Laboratory Enclosures:

  1. Purpose:
    • Protect users from hazardous fumes, vapors, and particulates.
    • Prevent cross-contamination of experiments.
    • Contain biological hazards.
  2. Types:
    • Fume HoodsVentilated enclosures where toxic or volatile chemicals are handled.
    • Biosafety Cabinets (BSC)Enclosures used to work with pathogens. There are three classes (I, II, III) depending on the level of protection.
    • Laminar Flow HoodsProvide a particulate-free working environment, commonly used for tissue culture or semiconductor fabrication.
    • Glove BoxesSealed enclosures allowing manipulation of objects inside, using gloves.
  3. Features:
    • Exhaust Fans and VentsRemove hazardous fumes and vapors.
    • HEPA/ULPA FiltersIn BSCs and laminar flow hoods for clean air.
    • SashA transparent sliding door on fume hoods.
    • UV LightsIn BSCs for sterilization.
  4. Maintenance:
    • Regular testing and certification to ensure proper airflow and containment.
    • Cleaning using appropriate disinfectants or cleaners.
    • Replacement of filters as needed.

Both cleanrooms and laboratory enclosures are essential for ensuring safety and the integrity of work processes. Regular maintenance and user training are crucial to ensure they function optimally and safely.

Key terms in plain language

Open a term for a concise explanation of language used on this page.

Broadband

A general term for always-on, high-speed Internet access. Broadband can be delivered over fiber, cable, DSL, fixed wireless, cellular, or satellite networks.

Cloud Computing

Computing resources—such as applications, servers, storage, or databases—delivered from remote infrastructure and scaled as requirements change.

Cybersecurity

The practices and controls used to protect identities, devices, networks, applications, and data from unauthorized access, disruption, or manipulation.

Identity and Access Management (IAM)

The systems and policies that determine who a user is, what resources they may access, and how that access is authenticated and reviewed.

API

An application programming interface is a defined way for software systems to exchange data or request functions from one another.

Artificial Intelligence (AI)

Software designed to perform tasks involving prediction, classification, generation, reasoning, or decision support. Business use still requires clear data, governance, security, and human accountability.