Testing HEPA Filtered Systems and Cleanrooms
"People with varying amounts of experience, both managers and technicians, gather together with a common interest in learning the science of testing HEPA filters."
—Dan Milholland
Standards Covered:
ISO 14644-1: Classification of Air Cleanliness
ISO 14644-2: Specifications for Testing and Monitoring to Prove Continued Compliance
IEST RP34.2: HEPA and ULPA Filter Leak Tests
IEST RP6.3: Testing Cleanrooms
IEST RP1.3: HEPA and ULPA Filters
IEST RP2.2: Unidirectional Flow Clean-Air Devices
Participants will learn:
- about HEPA filter performane, handling and storage
- airflow definitions and equations
- how to identify different types and classes of filters and what are the critical distinguishing factors
- how to measure airflow in cleanrooms, clean benches, and HVAC systems
- how to perform airflow visualization
- theory and operation of photometers and particle counters
- how to verify room cleanliness class
- how to repair media and gasket leaks in HEPA filters
Who is this course for?
Validation, Quality Assurance, and Contamination Control Personnel; Facility Engineers, Maintenance Personnel, Cleanroom Certifiers, and Architects and Engineers involved in cleanroom design.
Instructors:
Dan Milholland is the lead instructor. He has worked in the cleanroom testing and verification field since 1975. Dan has served on many IEST committees, including the working group that prepared Federal Standard 209E and ISO 14644-1. He is currently serving as a consultant to the cleanroom industry.
Dan Milholland will be joined by David Phillips and additional instructors including: Dan Ghidoni, PE, CIH, Sales Engineer, Northeast Scientific Associates; David Stuart, Ph.D., The Baker Company; Gene Klingbeil, Filtration Group; and Lewis Exner, Micro-Clean; as well as a representative from Air Techniques.
Tuition (2007)
Tuition is $1245 per person and must be paid in full to guarantee a space in this class. Tuition includes a course manual, lunch each day, a special class dinner, and an Eagleson Institute certificate.
To register, click here.
Preliminary Outline
Introduction to HEPA Filters
- Mechanisms of Action
- Components
- Repairing and Replacing
- Handling and Storing
Airflow Dynamics
- Definitions
- Relationships
- Measuring Equipment
Airflow Measurement
- Cleanrooms
- Clean Benches
- Ducts
Particle Counters - Theory and Operation
- Using a Particle Counter to verify room cleanliness class
- Using a particle Counter to leak test a HEPA filter
Aerosol Generators and Photometers - Theory and Operation
- Using a Photometer to leak test a HEPA filter
- Tips for leak testing in ducts
Workshops
- Standardizing Photometers and Leak Testing Clean Benches
- Tips for Leak Testing in Ducts
- Using a Particle Counter to Verify Room Cleanliness Class
- Statistical Concepts
IEST Recommended Practices (RPs) and Other Standards
- IEST RP1.3
- IEST RP2.2
- IEST RP 6.3
- Filter Leak Test
- Particle Counts
- Pressurization
- IEST RP34.2
- EN1822
- ISO 14644-1
- IEST RP6.3 and ISO 14644-2
- Pressurization
- Parallelism, Integrity and Recovery
- Particle Fallout, Lighting, and Noise
- Temparature and Moisture; and Vibration
Filter Workshops
- Repairing Media Leaks
- Repairing Gasket Leaks
- Bag In/Bag Out Filter Change
- Installing Filters
- Pressure Drop Across Filters
FDA Cleanroom Issues
- Videotaping Smoke Patterns
- Review of completed video tape
- FDA Audits
- Airflow Visualization
