NYC 9/11 Public Portal Document
****DRAFT Version 10, October 29, 2001****
Yes No
Tfyes, descilBS'
Use of candles, incense, etc.
Yes No
Open windows
Yes No
Open doors
f Yes No
Turn off the heating/AC system fan (it should be on during the entire sampling period)
Yes No
TTYES, whaTfflne did you turn off the system
9. Have you seen evidence of dust being tracked into the building since the WTC collapse?
Yes No
TTYES, naniSMescribe the entryway locations
Describe the material being tracked indoors
Is the material still being tracked indoors?
Yes No Can’t tell
10. Has the exterior of the building been cleaned since WTC event?
Yes No
11. If YES to Question 10,
Date(s) of cleaning
12. Description of cleaning
sweeping
vacuuming
Water spray
high pressure wash
Other (describe)
13. Who conducted the cleaning
Building maintenance
Cleaning company (provide name)
Other (describe)
14. Was visible dust present?
Yes No
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