ASTM F25-68(1999)

Standard Test Method for Sizing and Counting Airborne Particulate Contamination in Clean Rooms and Other Dust-Controlled Areas Designed for Electronic and Similar Applications

STANDARD published on 10.8.1999

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The information about the standard:

Designation standards: ASTM F25-68(1999)
Note: WITHDRAWN
Publication date standards: 10.8.1999
SKU: NS-54000
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM F25-68(1999) :

Keywords:

Dust-controlled areas-for processing electronic devices, Electron tubes-dust-controlled areas for assembling, Microscopic examination-electronic materials, Particulate contamination-airborne, Semiconductor clean rooms, sizing and counting airborne particulate contamination in clean, rooms/other dust-controlled areas designed for electronic/similar, applications, test, ICS Number Code 13.040.30 (Workplace atmospheres)

Additional information

1. Scope

1.1 This test method covers counting and sizing airborne particulate matter 5 [mu]m and larger. The sampling areas are specifically those with contamination levels typical of clean rooms (white and gray rooms) and dust-controlled areas designed for electronic work. It is not a test method for dust counting where isokinetic sampling is a factor (Appendix X1).

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.

Note 1-Information is included relative to modifications to the referee techniques which will make the test method more suitable for specific routine monitoring, such as described in Appendix X4.

2. Referenced Documents

F50-21	Standard Practice for Continuous Sizing and Counting of Airborne Particles in Dust-Controlled Areas and Clean Rooms Using Instruments Capable of Detecting Single Sub-Micrometre and Larger Particles
ISO 14644-1	Cleanrooms and Associated Controlled Environments--Part 1: Classification of Air Cleanliness
IEST-G-CC1003	Measurement of Airborne Macroparticles (1999)
SAE	Abstract ARP-743, Procedure for the Determination of Particulate Contamination of Air in Dust-Controlled Spaces by Particle Count Method, August 1962

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