cleaning cleanroom and particle count

• 11:50 am: ran zero count test on particle counter
• 11:55 am: started particle count
  • zone 3:
    • 0.3 u: 1787
    • 0.5 u: 581
    • 1.0 u: 166
• zone 4:
  • 0.3 u: 623
  • 0.5 u: 290
  • 1.0 u: 124
• 12:17 pm: began surface check and wipedown, including softwalls
• 12:25 pm: started vacuuming the floor
• 12:36 pm: finished vacuuming the floor
• 12:44 pm: started mopping the floor
• 12:57 pm: finished mopping the floor
• 12:58 pm: started cleaning the buckets
• 12:59 pm: started mopping with IPA wipes
• 1:05 pm: finished mopping with IPA wipes
• 1:06 pm: changed sticky floor mats
• 1:08 pm: started particle count
  • zone 3:
    • 0.3 u: 1621
    • 0.5 u: 581
    • 1.0 u: 332
• zone 4:
  • 0.3 u: 1080
  • 0.5 u: 457
  • 1.0 u: 249