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| Richardson Lab Experimental Log |
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Message ID: 54
Entry time: Wed Mar 22 15:25:00 2023
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| Author: |
Shane |
| Type: |
Update |
| Category: |
General |
| Subject: |
Clean room recertification particle counts |
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| Attached are the five zone particle measurements for the clean room now that the fan speeds have been set to MEDIUM. 2 min sample time, 3 samples per zone. The occupied clean room measurements were unusual in that they generally got larger towards minute 6 instead of settling and going to zero, and for this reason didn't stay beneath the class 5 requirement at the end of the samples. The unoccupied counts look more similar to what was expected, and generally settle under the class five requirement. |
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