ASTM F1977-99
(Test Method)Standard Test Method for Determining Initial, Fractional, Filtration Efficiency of a Vacuum Cleaner System
Standard Test Method for Determining Initial, Fractional, Filtration Efficiency of a Vacuum Cleaner System
SCOPE
1.1 This test method may be used to determine the initial, fractional, filtration efficiency of household and commercial canister (tank-type), stick, hand-held, upright, and utility vacuum cleaner systems.
1.1.1 Water-filtration vacuum cleaners which do not utilitze a replaceable dry media filter located between the water-based filter and cleaning air exhaust are not included in this test method. It has been determined that the exhaust of these vacuum cleaners is not compatible with the specified discrete particle counter (DPC) procedure.
1.2 The initial, fractional, filtration efficiencies of the entire vacuum cleaner system, at four discrete particle sizes (0.3, 0.5, 1.0 and 2.5 µm), is derived by counting upstream challenge particles and the constituent of downstream particles while the vacuum cleaner system is being operated in a stationary test condition.
1.3 The vacuum cleaner system is tested at the nozzle under a normal airflow rate equivalent to 150% of the airflow rate produced at the maximum air power point as determined in accordance with Test Method F 558.1.4 The vacuum cleaner system is tested with a new filter(s) installed, and with no preliminary dust loading. The fractional efficiencies determined by this test method shall be considered initial system filtration efficiencies.
1.5 Neutralized potassium chloride (KCl) is used as the challenge media in this test method.
1.6 One or two particle counters may be used to satisfy the requirements of this test method. Both require flow control means to switch between sampling the upstream and downstream air sampling probes.
1.7 To efficiently utilize this test method, automated test equipment and computer automation is recommended.
1.8 Different sampling parameters, flow rates, and so forth, for the specific applications of the equipment and test procedure may provide equivalent results. It is beyond the scope of this test method to define those various possibilities.
1.9 This test method is limited to the test apparatus, or its equivalent, as described in this document.
1.10 This test method is not intended or designed to provide any measure of the health effects or medical aspects of vacuum cleaning.
1.11 This test method is not intended or designed to determine the integrity of HEPA filtration assemblies used in vacuum cleaner systems employed in nuclear and defense facilities.
1.12 The inch-pound system of units is used in this test method, except for the common usage of the micrometer, µm, for the description of particle size which is a SI unit.
1.13 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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An American National Standard
Designation: F 1977 – 99
Standard Test Method for
Determining Initial, Fractional, Filtration Efficiency of a
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Vacuum Cleaner System
This standard is issued under the fixed designation F 1977; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 1.10 This test method is not intended or designed to provide
any measure of the health effects or medical aspects of vacuum
1.1 This test method may be used to determine the initial,
cleaning.
fractional, filtration efficiency of household and commercial
1.11 This test method is not intended or designed to
canister (tank-type), stick, hand-held, upright, and utility
determine the integrity of HEPA filtration assemblies used in
vacuum cleaner systems.
vacuum cleaner systems employed in nuclear and defense
1.1.1 Water-filtration vacuum cleaners which do not utilize
facilities.
a replaceable dry media filter located between the water-based
1.12 The inch-pound system of units is used in this test
filter and cleaning air exhaust are not included in this test
method, except for the common usage of the micrometer, μm,
method. It has been determined that the exhaust of these
for the description of particle size which is a SI unit.
vacuum cleaners is not compatible with the specified discrete
1.13 This standard does not purport to address all of the
particle counter (DPC) procedure.
safety concerns, if any, associated with its use. It is the
1.2 The initial, fractional, filtration efficiencies of the entire
responsibility of the user of this standard to establish appro-
vacuum cleaner system, at four discrete particle sizes (0.3, 0.5,
priate safety and health practices and determine the applica-
1.0, and 2.5 μm), is derived by counting upstream challenge
bility of regulatory limitations prior to use.
particles and the constituent of downstream particles while the
vacuum cleaner system is being operated in a stationary test
2. Referenced Documents
condition.
2.1 ASTM Standards:
1.3 The vacuum cleaner system is tested at the nozzle under
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D 1193 Specification for Reagent Water
a normal airflow rate equivalent to 150 % of the airflow rate
D 1356 Terminology Relating to Sampling and Analysis of
produced at the maximum air power point as determined in
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Atmospheres
accordance with Test Method F 558.
D 2986 Practice for Evaluation of Air Assay Media by the
1.4 The vacuum cleaner system is tested with a new filter(s)
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Monodisperse DOP (Dioctyl Phthalate) Smoke Test
installed, and with no preliminary dust loading. The fractional
D 3154 Test Method for Average Velocity in a Duct (Pitot
efficiencies determined by this test method shall be considered
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Tube Method)
initial system filtration efficiencies.
F 50 Practice for Continuous Sizing and Counting of Air-
1.5 Neutralized potassium chloride (KCl) is used as the
borne Particles in Dust-Controlled Areas and Clean Rooms
challenge media in this test method.
Using Instruments Capable of Detecting Single Sub-
1.6 One or two particle counters may be used to satisfy the
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Micrometre and Larger Particles
requirements of this test method. Both require flow control
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F 395 Terminology Relating to Vacuum Cleaners
means to switch between sampling the upstream and down-
F 558 Test Method for Measuring Air Performance Charac-
stream air sampling probes.
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teristics of Vacuum Cleaners
1.7 To efficiently utilize this test method, automated test
2.2 Other Documents:
equipment and computer automation is recommended.
IES Recommended Practice CC021.1—Testing HEPA and
1.8 Different sampling parameters, flow rates, and so forth,
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ULPA Filter Media
for the specific applications of the equipment and test proce-
IES Recommended Practice CC001.3—HEPA and ULPA
dure may provide equivalent results. It is beyond the scope of
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Filters
this test method to define those various possibilities.
1.9 This test method is limited to the test apparatus, or its
equivalent, as described in this document.
2
Annual Book of ASTM Standards, Vol 11.01.
3
Annual Book of ASTM Standards, Vol 11.03.
4
Annual Book of ASTM Standards, Vol 15.03.
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This test method is under the jurisdiction of ASTM Committee F-11 on Vacuum Annual Book of ASTM Standards, Vol 15.07.
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Cleaners and is the direct responsibility of Subcommittee F11.23 on Filtration. Available from the Institute of Environmental Sciences, 940 E. Northwest
Current edition approved May 10, 1999. Published August 1999. Highway, Mount Prospect, IL 60056.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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