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Message ID: 12     Entry time: Mon Nov 28 18:10:23 2022
Author: shane 
Type: Update 
Category: ELOG 
Subject: Particle counts in the clean room 
Particle count stats for the clean room Nov 28, 2022: Took 10 sample runs in each of 5 regions in the clean room (5 runs per region with a person inside the clean room for the measurement, and 5 runs per region without anyone in the clean room for the measurement), for a total of 50 samples taken. Sample time was 60 seconds. Overall clean room average particle count for the size ranges are as follows: 0.3 micrometers- 3405.76 (room occupied), 974.92 (room empty) 0.5 micrometers- 409.72 (room occupied), 409.72 (room empty) 1.0 micrometers- 1102.2 (room occupied), 282.6 (room empty) 2.5 micrometers- 692.32 (room occupied), 183.68 (room empty) 4.0 micrometers- 254.28 (room occupied), 84.72 (room empty) 5.0 micrometers- 141.24 (room occupied), 84.72 (room empty) 7.0 micrometers- 56.48 (room occupied), 84.72 (room empty) 10.0 micrometers- 42.36 (room occupied, 42.36 (room empty) More statistics (including individual stats on the 5 regions within the clean room) attached.
Attachment 1: clean_room_particle_counts_11_28_-_Sheet1.pdf  39 kB  | Show | Show all
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