• Cabinet Testing and Servicing. At Health Systems Sciences (HSS), we ensure that cleanrooms and containment devices—including biosafety cabinets and fume hoods—comply with critical industry standards. Our certified technicians provide expert testing, HEPA/ULPA filter replacement, repairs, and proactive preventive maintenance. We verify performance according to major national and international guidelines, including NSF/ANSI 49, USP <797>/<800>/<825>, CETA, ACGIH, ISO 14644, IEST, and manufacturer specifications.
• Cabinet Testing and Servicing. HSS specializes in the testing and certification of all major brands and models of containment cabinets. Our protocols follow CETA, NSF, and OEM standards, ensuring reliable and accurate results. We offer timely repair and servicing to minimize downtime and keep your facility running safely and efficiently.

Our cabinet services include:

-Inflow and downflow velocities
-HEPA/ULPA filter integrity testing
-Smoke pattern testing (visual airflow)
-Cabinet decontamination and re-certification
-Alarm and control function verification
-Cross-contamination containment assessments

• HEPA/ULPA Filter Replacement and Certification. Health Systems Sciences is well-versed in all manufacturers containment cabinets and can perform testing protocols that are based on CETA, NSF and manufacturers specifications. To avoid downtime of equipment, HSS is able to provide prompt service and repair. Types of tests that associated with HSS containment cabinets include the following:
• Facility and Exhaust Troubleshooting. Health Systems Sciences is well-versed in all manufacturers containment cabinets and can perform testing protocols that are based on CETA, NSF and manufacturers specifications. To avoid downtime of equipment, HSS is able to provide prompt service and repair. Types of tests that associated with HSS containment cabinets include the following: