The HSS Advantage
Evidence-based methods. Certified experts. Results you can defend.
Health Systems Sciences (HSS) helps healthcare, pharma, and research facilities meet demanding standards with confidence. Our CETA-certified technicians, professional engineers, and industrial hygiene specialists apply validated, repeatable methods to keep people safe and operations compliant—without slowing you down.
Pillars

USP 797/800/825, NSF/ANSI 49, ISO 14644, IEST, applied rigorously, documented clearly.

Calibrated instruments, validated SOPs, cross-checks, and trend analysis to minimize variance.

Predictable scheduling, consistent teams, and on-time reporting, nationwide coverage.

CETA-certified techs, PEs, and industrial hygiene experts who turn findings into action.
What You Get
Full testing & certification for cleanrooms and BSCs
HEPA filter integrity, inflow/downflow, airflow balancing
Pressure & ACH verification, particle and viable samplin
Clear corrective actions ranked by risk & impact
Regulator-ready reports and certificates
Post-service support and re-checks as needed
Industries & Environments
Healthcare systems • Hospital pharmacies • Academic research • Pharma/biotech • Public health labs • Manufacturing cleanrooms
FAQs
USP 797/800/825, NSF/ANSI 49, ISO 14644, and IEST where applicable.
Certificates, detailed test results, and a corrective-action list with priorities
Most projects are scheduled within 1–2 weeks; urgent requests available
Yes, HSS can retest after corrective actions and support remediation plans.

