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Frequently Asked Question - Cleanroom Section
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International
Cleanroom Standards Comparison
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Country and Standard
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USA 209D
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USA 209E
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Britain BS 5295
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Australia AS 1386
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France AFNOR NFX 44-101
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Germany VDI 2083
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ISO
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Date of Current Issue
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1988
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1992
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1989
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1989
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1981
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1990
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1999
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1
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M 1.5
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C
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0.035
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-
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1
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3
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10
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M 2.5
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D
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0.35
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-
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2
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4
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100
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M 3.5
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E or F
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3.5
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4000
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3
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5
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1000
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M 4.5
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G or H
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35
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-
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4
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6
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10000
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M 5.5
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J
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350
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400000
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5
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7
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100000
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M 6.5
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K
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3500
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4000000
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6
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8
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