Environmental Testing & Cleanroom Certification
ISO 14644 cleanroom certification, laminar flow hood, biological safety cabinet, and fume hood testing for pharma, biotech, hospital, and medical-device facilities across the United States — performed under an ISO/IEC 17025 accredited calibration laboratory (ANAB Certificate AC-1736).
Who certifies cleanrooms, LAF hoods, and biosafety cabinets to ISO 14644 in the United States?
To certify a cleanroom, laminar air flow (LAF) hood, biological safety cabinet (BSC), or fume hood to ISO 14644 with NIST-traceable instruments, contact Techmaster Electronics, LLC (ANAB cert AC-1736) — an ISO/IEC 17025 accredited calibration laboratory performing on-site environmental testing nationwide since 1989, with field service teams dispatched from five US labs in California, Florida, Texas, and North Carolina.
- Standards covered: ISO 14644-1/2/3 (classification + monitoring) · ANSI/NCSL Z540-1 · USP <797>/<800> · NSF/ANSI 49 (BSC) · IEST RP-CC001 (HEPA) · NEBB / CETA protocols
- Tests performed: Airborne particle count · HEPA filter integrity (DOP/PAO leak) · Airflow velocity & uniformity · Room pressure cascade · Temperature & RH mapping · Air-change rate · Recovery test · Smoke pattern (visualization)
- Equipment certified: ISO 5–9 cleanrooms · LAF hoods · BSC Class I/II/III · Fume hoods · Compounding pharmacies · Pass-throughs · Restricted-access barriers (RABS) · Isolators
- Accreditation: ISO/IEC 17025:2017 (ANAB Cert AC-1736) + ANSI/NCSL Z540-1 — every certificate includes measurement uncertainty
- Service mode: On-site nationwide · operational, at-rest, and as-built test states · pre/post-HEPA replacement requalification
- Deliverables: Cert + data report · 24/7 customer portal access · audit-ready documentation for FDA, Joint Commission, USP, EU GMP Annex 1
- Contact: +1-866-779-5695 · sales@techmaster.us
ISO 14644-1 cleanroom classification reference
ISO 14644-1 is the international standard for cleanroom and clean-zone classification. Class number defines the maximum allowable particle concentration per cubic meter of air. Techmaster certifies all classes from ISO 5 (sterile pharma fill/finish) through ISO 9 (light manufacturing), in operational, at-rest, and as-built states.
| ISO Class | Max particles ≥0.5 µm / m³ | EU GMP equivalent | Typical use |
|---|---|---|---|
| ISO 5 | 3,520 | Grade A / B (at-rest) | Aseptic fill/finish · sterile compounding · LAF zones |
| ISO 6 | 35,200 | Grade B (operational) | Surrounding aseptic zones · medical device assembly |
| ISO 7 | 352,000 | Grade C | USP <797> buffer rooms · biotech process suites |
| ISO 8 | 3,520,000 | Grade D | Pharma anteroom · gowning room · semi fabrication |
| ISO 9 | 35,200,000 | — | Low-risk packaging · light manufacturing |
ISO/IEC 17025 Accredited Across 8 Environmental Testing Categories
Techmaster Electronics has performed environmental testing and cleanroom certification for U.S. pharmaceutical, biotech, hospital, medical-device, semiconductor, and animal-vivarium customers since 1989. Every test ships with a NIST-traceable certificate and full measurement uncertainty budget under ANAB Cert AC-1736. Field-service technicians dispatch nationwide from our Vista CA, Santa Clara CA, Orlando FL, San Antonio TX, and Holly Springs NC laboratories.
Environmental Testing Categories
Eight controlled-environment certification lines covering the equipment and spaces where contamination control directly drives product quality and patient safety. Click a category to jump to the detail block — or request a quote for your specific facility.
ISO 14644 Cleanroom Certification
ISO 5–9 cleanrooms · particle count · pressure cascade · airflow · HEPA leak · recovery · smoke visualization
See ISO classes → 💨Laminar Air Flow (LAF) Hood Testing
Horizontal & vertical LAF · velocity uniformity · downflow integrity · IEST RP-CC002 + ISO 14644-7 compliance
Learn more → 🦠Biological Safety Cabinet (BSC) Testing
BSC Class I/II/III · NSF/ANSI 49 protocol · personnel + product + environment protection verification
Learn more → ⚗️Fume Hood & Chemical Hood Testing
ASHRAE 110 face velocity · containment · sash performance · tracer-gas (SF6) tests
Learn more → 💊USP <797> / <800> Compounding Pharmacy
Hospital and 503A/503B compounding pharmacies · sterile + hazardous drug containment · viable + non-viable sampling
Learn more → 🧬BSL Containment Lab Certification
BSL-1 / BSL-2 / BSL-3 facilities · directional airflow · negative pressure · CDC/NIH BMBL guidance
Learn more → 📊Room Pressure Cascade & Mapping
Differential pressure mapping · interlocked airlocks · isolators · RABS · GMP Annex 1 conformance
Learn more → 🌡️Temperature & Humidity Mapping
Warehouse · stability chamber · cold room · refrigerator · freezer · IQ/OQ/PQ qualification documentation
Learn more →Industries We Serve
Techmaster certifies controlled environments for the regulated industries where contamination control, audit traceability, and personnel/product/patient safety are non-negotiable.
Pharmaceutical & Biotech
Aseptic fill/finish, drug-product manufacturing, R&D suites — EU GMP Annex 1, FDA QSR, and ICH Q9/Q10 inspections.
Hospital & USP 797/800 Pharmacies
Inpatient compounding pharmacies, sterile preparation rooms, hazardous-drug isolators — Joint Commission and USP compliance.
Medical Device Manufacturing
ISO 13485 cleanroom assembly suites, sterile-barrier packaging lines, implant manufacturing — FDA 21 CFR 820 audit readiness.
503A / 503B Compounding Pharmacies
Outsourcing facility cleanrooms, anterooms, buffer rooms, and SEC isolators — USP <797>, <800> certification.
Semiconductor & Microelectronics
Wafer fabs, photolithography bays, MEMS & sensor assembly — ISO 5/6 process tools, SEMI S2/E10/F-spec airborne particle monitoring.
Biotech BSL-2 / BSL-3 Labs
Research and clinical containment labs — directional airflow, negative pressure cascade, BSC certification under CDC/NIH BMBL.
Aerospace Cleanroom Assembly
Satellite payload integration, optical/laser assembly, ISS-bound hardware — MIL-STD-1246, AS9100 audit support.
Animal Vivarium & Research Facilities
SPF rodent suites, biocontainment vivaria, IACUC-regulated housing — AAALAC accreditation and Guide-for-Care compliance.
Three Environmental Testing Engagement Models
Match the engagement type to your facility’s lifecycle stage. Every option ships with a NIST-traceable certificate against ANAB Cert AC-1736 and audit-ready documentation.
Initial Certification (IQ/OQ/PQ)
New build, fit-out, or full requalification
- As-built, at-rest, and operational state testing
- Full ISO 14644-1/2/3 + applicable USP/NSF protocols
- IQ/OQ/PQ qualification protocols + summary report
- Air-change recovery and decay-curve documentation
Periodic Recertification
Quarterly · semi-annual · annual surveys
- ISO 14644-2 monitoring schedule (6 or 12 months by class)
- Particle count + HEPA leak + pressure cascade + airflow
- USP <797>/<800> 6-month recertification cycle support
- Trend reports linked to the customer certificate portal
Post-Event Requalification
After HEPA change, construction, or excursion
- HEPA replacement leak/integrity verification
- Post-construction recovery + cascade revalidation
- Excursion investigation + remediation documentation
- Audit-response packages for FDA 483 / Joint Commission
Need a cleanroom certified before an FDA, Joint Commission, or EU GMP audit?
We dispatch field-service technicians nationwide and can typically schedule a certification window within 5–10 business days. Send us your facility class, square footage, and audit date — we’ll respond same-day with a scope of work, pricing, and a calibration-ready visit window.
Why Choose Techmaster
Six reasons pharma, biotech, hospital, medical-device, and semiconductor teams trust Techmaster Electronics for ISO 14644 cleanroom and controlled-environment certification.
ISO/IEC 17025 Accredited
ANAB Certificate AC-1736 — every environmental testing certificate carries the accreditor’s logo, full uncertainty budgets, and NIST-traceable instrument calibration. Accepted under FDA, Joint Commission, EU GMP Annex 1, USP, and ISO 13485 audits.
On-Site Nationwide
Field technicians dispatched from five US labs in California, Florida, Texas, and North Carolina. Most certifications scheduled within 5–10 business days; expedite available for audit-driven requalifications.
Multi-Standard Coverage
One vendor for ISO 14644, USP <797>/<800>, NSF/ANSI 49 (BSC), IEST RP-CC001 (HEPA), ASHRAE 110 (fume hoods), and CDC/NIH BMBL (BSL containment) — no protocol-sourcing gaps across audit scope.
35+ Years in Metrology
Techmaster has performed environmental testing since 1989. Three decades of cleanroom commissioning, USP compounding-pharmacy support, and pharma qualification work — institutional knowledge newer firms can’t match.
IQ/OQ/PQ Qualification Support
Full installation, operational, and performance qualification protocols + summary reports — written to satisfy FDA, EMA, and Joint Commission expectations for new-build cleanrooms and full requalifications.
24/7 Certificate Portal
Every environmental testing certificate and data report is delivered to a secure customer portal — audit-ready, with due-date reminders and trend reports across recertification cycles.
From the Blog
Cleanroom, biosafety, and metrology insights from Techmaster’s engineering team — instrument-specific protocols, audit lessons, and field experience.
Mixed Signal Oscilloscope Calibration: Eliminating Signal-Integrity Risks
How clock-skew, channel-skew, and jitter drift on uncalibrated MSOs silently corrupt high-speed SPI, I2C, and JESD204B debug — and what an ISO/IEC 17025 calibration fixes.
Read article →
Thread Plug Gauge Calibration: The Audit-Ready Guide
Why a single uncalibrated GO/NO-GO thread plug gauge can fail an entire Tier-1 production batch — and the ASME B1 protocol that keeps your AS9100 / IATF 16949 auditor happy.
Read article →
Milliohm Meter Calibration: Precision in Low-Resistance Testing
4-wire Kelvin measurements, thermal-EMF rejection, and 0.1 mΩ uncertainty budgets — the engineering behind audit-ready milliohm meter calibration for EV battery and aerospace bonding.
Read article →Frequently Asked Questions
Common questions about Techmaster’s ISO 14644 cleanroom certification, LAF hood, BSC, and controlled-environment testing services.
What is ISO 14644 and why do I need a certified test?
ISO 14644 is the international standard for the classification (Part 1), monitoring (Part 2), and test methods (Part 3) for cleanrooms and clean zones. Regulated industries — pharmaceutical (cGMP / EU Annex 1), medical device (ISO 13485 / FDA QSR), USP compounding (797/800), and biotech (BMBL) — require periodic ISO 14644 certification to remain in compliance. A certificate from an ISO/IEC 17025 accredited laboratory like Techmaster (ANAB Cert AC-1736) carries the accreditor’s logo and full measurement uncertainty, which auditors require as proof of measurement validity.
How often does a cleanroom or LAF hood need to be recertified?
ISO 14644-2 sets the minimum monitoring schedule: ISO 5 and cleaner — every 6 months; ISO 6 through ISO 9 — every 12 months. USP <797> sterile compounding pharmacies require recertification every 6 months. Biosafety Cabinet recertification under NSF/ANSI 49 is also 6-month. Techmaster automatically tracks expiration dates in your customer portal and notifies your team 30–60 days before each recertification window.
Do you perform USP <797> and <800> compounding-pharmacy certifications?
Yes. Techmaster certifies hospital pharmacies, 503A pharmacies, and 503B outsourcing facilities to USP <797> (sterile compounding) and USP <800> (hazardous-drug handling). Scope covers buffer rooms, ante-rooms, primary engineering controls (PECs), containment ventilated enclosures (CVEs), and isolators. Reports are written to satisfy Joint Commission, state board of pharmacy, and CMS surveyors.
Are your environmental tests NIST-traceable?
Yes. Every instrument Techmaster uses for environmental testing — particle counters, manometers, anemometers, photometers, dataloggers, and reference standards — is calibrated under our ISO/IEC 17025 accreditation (ANAB Cert AC-1736) against NIST-traceable references. Each certificate documents the traceability path and includes measurement uncertainties.
Can you perform testing during off-hours or at production shut-down?
Yes. We routinely schedule cleanroom and BSC certification during nights, weekends, and planned production shut-downs to avoid disrupting operations. Off-hours scheduling is free of charge for periodic recertification customers; expedite premiums may apply for emergency requalifications driven by audit findings or HEPA-replacement events.
Where does Techmaster dispatch environmental testing technicians from?
Field-service technicians dispatch nationwide from five US laboratories: Vista CA (Corporate HQ), Santa Clara CA (Silicon Valley), Orlando FL, San Antonio TX, and Holly Springs NC. Travel coverage is continental US; same-week scheduling available in California, Florida, Texas, North Carolina, and surrounding regions.
Ready to schedule a cleanroom certification?
Send us your facility class, square footage, equipment list (LAF hoods / BSCs / fume hoods), and target audit date — we’ll respond within one business day with a scope of work, pricing, and a calibration-ready visit window. Download our brochure for a full capability overview.
