THE ENVIRONMENTAL TECHNOLOGY VERIFICATION PROGRAM
as EPA	BRTI
INTERNATIONAL
U.S. Environmental Protection Agency	Research Triangle Institute
ETV Joint Verification Statement
TECHNOLOGY TYPE:
APPLICATION:
TECHNOLOGY NAME:
COMPANY:
ADDRESS:
WEB SITE:
E-MAIL:
VENTILATION MEDIA AIR FILTER
FILTRATION EFFICIENCY OF BIOAEROSOLS IN
HVAC SYSTEMS
Synthetic Minipleat V-Cell, SMV-M13-2424
Aeolus Corporation
6306A Old 421 Rd	PHONE: 336-622-5122
Liberty, NC 27298	FAX: (336) 622-5125
http://www.aeoluscorp.com
billmatkins@msn.com
The U.S. Environmental Protection Agency (EPA) has created the Environmental Technology
Verification (ETV) Program to facilitate the deployment of innovative or improved
environmental technologies through performance verification and dissemination of information.
The goal of the ETV Program is to further environmental protection by substantially accelerating
the acceptance and use of improved and cost-effective technologies. ETV seeks to achieve this
goal by providing high quality, peer-reviewed data on technology performance to those involved
in the design, distribution, financing, permitting, purchase, and use of environmental
technologies.
ETV works with recognized standards and testing organizations; stakeholder groups which
consist of buyers, vendor organizations, permitters, and other interested parties; and with the full
participation of individual technology developers. The program evaluates the performance of
innovative and improved technologies by developing test plans that are responsive to the needs
of stakeholders, conducting field or laboratory tests (as appropriate), collecting and analyzing
data, and preparing peer-reviewed reports. All evaluations are conducted in accordance with
rigorous quality assurance protocols to ensure that data of known and adequate quality are
generated and that the results are defensible.
EPA's National Risk Management Research Laboratory contracted with the Research Triangle
Institute (RTI) to establish a homeland-security-related ETV Program for products that clean
ventilation air. RTI evaluated the performance of ventilation air filters used in building heating,
ventilation and air-conditioning (HVAC) systems. This verification statement provides a
summary of the test results for the Aeolus Corporation Synthetic Minipleat V-Cell, SMV-M13-
2424 media air filter.
S-l

-------
VERIFICATION TEST DESCRIPTION
All tests were performed in accordance with RTFs "Test/Quality Assurance Project Plan:
Biological Testing of General Ventilation Filters," which was approved by EPA. Fests were
performed for the following:
• Bioaerosol filtration efficiency tests of the clean and dust-loaded filter. Fhree bioaerosols
were used in the testing:
o Fhe spore form of the bacteria Bacillus atrophaeus (BG), a gram-positive spore-
forming bacteria elliptically shaped with dimensions of 0.7 to 0.8 by 1 to 1.5 ,um5
Serratia marcescens, a rod-shaped gram-negative bacteria with a size of 0.5 to 0.8
by 0.9 to 2.0 ptfl, and
Fhe bacterial virus (bacteriophage) MS2 dispersed as a micrometer-sized
poly disperse aerosol.
Inert aerosol filtration efficiency tests consisting of an American National Standards
Institute (ANSI)/American Society of Heating, Refrigerating and Air-Conditioning
Engineers (ASHRAE) Standard 52.2-1999 type test (0.3 to 10 |.im) and extended
fractional efficiency measurements down to 0.02 um particle diameter on both clean and
dust-loaded filter.
ASHRAE 52.2 test. Fhis test provides filtration efficiency results (average of the
minimum composite efficiency) given for three size ranges of particles: El, 0.3 to 1.0
jj.m; E2, 1.0 to 3.0 /um, and E3, 3.0 pim to 10 jj.m.
o
o
VERIFIED TECHNOLOGY DESCRIPTION
As shown in Figure 1, the Aeolus Corporation Synthetic
Minipleat V-Cell, SMV-M13-2424 media air filter is a V-
cell filter with nominal dimensions of 0.61 by 0.61 by
0.31 m (24 by 24 by 12 in.). Fhe filter has a plastic frame,
and the filter media color is white and red stripes. Fhe
media is polypropylene. Fhere are four V-cells with
minipleated media. Fhe Aeolus Corporation part number
is SMV-M13-2424.
VERIFICATION OF PERFORMANCE
Verification testing of the Aeolus Corporation Synthetic
Minipleat V-Cell, SMV-M13-2424 media air filter began
on September 9, 2003 at the test facilities of RFI and was
completed on October 8, 2003. Fhe results for the
bioaerosol filtration efficiency tests are presented in Figure 1. Photograph of the Aeolus Corporation
Fable 1 for the clean and dust-loaded filter. Fable 2	Synthetic Minipleat V-Cell,
presents the results of the ASHRAE 52.2 test. All	SMV-M13-2424 media filter,
tests were conducted at an air flow of 0.93 m3/sec (1970 cfm).
S-2

-------
Table 1. Bioaerosol Filtration Results

Pressure Drop
Pa (in. H20)
Filtration
Efficiency for
Removal of
B. atrophaeus, %
Filtration
Efficiency for
Removal of
S. marcescens, %
Filtration
Efficiency for
Removal of
MS2 phage, %
Clean
77 (0.31)
69
64
73
Dust loaded
348 (1.40)
99
99.5
99
Table 2. Summary of ASHRAE 52.2 Test

El
0.3 to 1.0 jxm,
%
E2
1.0 to 3.0 jxm,
%
E3
3.0 to 10 //m,
%
Minimum Efficiency
Reporting Value
(MERV)
Aeolus Corporation
Synthetic Minipleat V-
Cell, SMV-M13-2424
57
85
97
12 at 0.93m3/sec
(1970 cfm)
The quality assurance officer reviewed the test results and the quality control data and concluded
that the data quality objectives given in the approved test/QA plan were attained.
This verification statement addresses two performance measures of media air filters: filtration
efficiency and pressure drop. Users of this technology may wish to consider other performance
parameters such as service life and cost when selecting a media air filter for bioaerosol control.
In accordance with the test/QA plan1, this verification statement is applicable to filters
manufactured from December 2003 through November 2006.
Original signed by E. Timothy Oppelt 12/8/2003
E. Timothy Oppelt	Date
Director
National Homeland Security Research Center
Office of Research and Development
United States Environmental Protection Agency
Original signed by David S. Ensor 12/4/2003
David S. Ensor	Date
Director
ETV-HS
Research Triangle Institute
NOTICE: ETV verifications are based on an evaluation of technology performance under specific, predetermined
criteria and the appropriate quality assurance procedures. EPA and RTI make no expressed or implied warranties
as to the performance of the technology and do not certify that a technology will always operate as verified. The
end user is solely responsible for complying with any and all applicable federal, state, and local requirements.
Mention of commercial product names does not imply endorsement.
S-3

-------