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Testing, Certification & Services


Our friendly and professional service team is well trained and operates according to industry standards and ensures safety and compliance. With our extensive combined years of experience, we have the ability to diagnose and resolve any issues that arise.


The Keystone Certification team is adept at explaining each service recommendation to you so you can make an informed decision about your devices.

We provide a comprehensive range of testing and certifying services for controlled environments, primary engineering controls, HEPA equipment and laboratory hoods including:

  • ASHRAE 110 Performance Tests

  • Biological Safety Cabinets

  • Chemical Fume Hoods

  • Laminar Flow Hoods

  • HEPA Filters

  • Bag in/Bag out Filter Housings

  • Animal Transfer Stations

  • Barrier Isolators/Glove Boxes

  • Grossing Stations

Specialized Cleanroom Services
  • ISO 14644 Compliance Consultation

  • USP 797 Compliance Consultation

  • BSL3/BSL4 Facility Certification

  • Particle Counts/ISO Classification/USP 797

  • Airflow (ACH) Testing

  • HEPA Filter Integrity

  • Room Pressurization Testing

Decontamination Solutions
USP 797 Solutions
USP 797
Diagnostic and Repair Services

KeyStone Certification™ provides repair services for all major brands of your Biosafety Cabinets (BSC), Laminar Floor Cabinetry (LFWS), Barrier Isolators, and Chemical Fume Hoods (CFH), as well as for HEPA filtered clean air devices. Our technical staff is knowledgeable and stays updated on the latest hardware and software upgrades so that we can quickly get your equipment working.

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About Your Report

KeyStone Certification™ produces easy to interpret reports that are industry compliant, but customizable to your needs. And, our reports are as clear to read as they are excellent in accuracy. In most cases, your device also receives a unique dated “Certification Sticker” with each service we provide.

Emergency Response

We understand that emergencies can happen at the most unlikely of times. We are committed to being accessible to you anytime you need us - period. We will provide an exceptional level of response to your emergency need. Our goal is to minimize your downtime and get your equipment or environment back online while keeping your staff safe.

Call 757 333 4988 for after hours emergency response. A Keystone team member will get back to you as soon as possible.

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