Introduction
Independent third party testing and consulting
Analytical Services, Inc., performs a wide variety of challenge
studies in our in-house device testing and EPA/ICR approved laboratory
facilities. Typically our challenge studies involve the injection
of one or more contaminants/organisms into the influent of the test
system. We collect and analyze a calibrated sidestream influent
sample to determine the exact challenge dose being applied to the
device. Depending on the system flow rate, we sample a fraction
or all of the effluent. Then we process influent and effluent samples
using the same analytical procedure. Finally, we calculate the contaminant
removal/inactivation values to quantify the performance of the unit.
We work with you to develop a testing program that meets your specific
needs.
Product Validation
Strengthen your marketing efforts with data that substantiate your product performance
claims. Our independent third party challenge studies provide data that can help you
increase your market share and create consumer confidence.
Performance Optimization
Do you want to improve the performance of your product? Our diagnostic testing and
failure analysis services provide the information you need to make changes that improve
the removal/inactivation efficiency of your device.
Design Consultation
Our microbiology staff will work with your R&D group on material selection and
product development. Our experience will help ensure that your product design meets your
application and performance goals.
Data Quality
Our scientific approach, professional staff and in-house device testing and laboratory
facilities allow us to design and conduct challenge studies that meet your specific
testing objectives and provide you with data of consistently high quality.
PRODUCTS TESTED
| Filters |
Disinfectants |
- Microfilters
- Ultrafilters
- Nanofilters
- R/O filters
- Flat sheet media
- Bag filters
- Sand filters
|
- Ultraviolet (UV) light units
- Chemical disinfectants
- Electrotechnologies
- Other
|
CONTAMINANTS USED
| Biological |
Non-Biological |
- Cryptosporidium (live or inactivated)
- Giardia (live or inactivated)
- Viruses
- Bacteria
- Fungi/Yeasts
|
- Latex spheres
- Test dust
- Other
|
PROTOCOLS AVAILABLE
| Challenge Studies |
Analytical Techniques |
- HIMA
- NSF
- USEPA
- Client protocols
- Customized/proprietary protocols
- Other
|
- Cell culture
- Excystation
- IFA counts
- Laser particle counts
- PFU assay
- Plate counts
- SEM/EDS
- Other
|
REPORT FORMAT
| Introduction |
Methods |
|
|
- Protocols
- Analytical techniques
|
| Results |
Conclusion |
- Influent and effluent sample data
- Removal/inactivation values
|
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STANDARD TESTING LEVELS
Filters
Level I
Particle Challenge / Single Filter
Particle challenges offer quick, inexpensive evaluations of
product performance. We routinely perform these studies on flat
sheet media, prototype units, or existing products down to 0.5
µm.
Level II
Multiple Contaminants / Single Filter
Document the removal efficiency of your filter using one or more contaminants under a
single set of operating conditions. This level of investigation is particularly useful
when you wish to acquire additional market share or bring new products into the market.
Level III
Multiple Contaminants / Multiple Filters
These in-depth studies allow you to evaluate the efficiency of your filter using
multiple types of contaminants and/or multiple test conditions. In addition, the testing
of multiple filters allows you to assess performance variability within or between
production lots.
UV Lights/Disinfectants
Level I
Single Organism Type / Single Device
This type of challenge study provides an entry level investigation of product performance.
For example, static or short duration flow-through tests can be performed on a UV lamp to
gather basic performance data.
Level II
Multiple Organism Types / Single Device
These challenge studies are conducted at the manufacturers design capacity and
involve challenging a single device with two or more contaminants under a single set of
test conditions.
Level III
Multiple Organism Types / Multiple Devices
These in-depth studies allow you to evaluate the inactivation
efficiency of your device using multiple types of organisms
under more than one set of test conditions. Testing multiple
devices allows you to assess performance variability within
or between production lots.
Challenge studies involve many variables including the number and
type of contaminants, number of units challenged, flow rate, duration,
and inlet and differential pressure. We work with you to develop
a testing program that meets your specific needs
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