•
•
NYC 9/11 Public Portal Document
2.1
Central Ventilation System Visual Inspection Form
System Components
INOTE: if component not present (NP), not found (NF) or inaccessible (I) please
indicate in last column]
Other (specify):
Surface
Dust/
Debris
Present?
Page 2 of 2
Component
WTC
• not present
Dust
Present?
• not found
• Inaccessibk
Other Information:
Filter loading (light, moderate, heavy): LIGHT
• Abraded/delaminated acoustical lining
• Filter bypass (describe)
General impression (indicate recommendations for eleaning based on finding of WTC dust):
_BLACK DUST, LIGHT ACCUMULATION WAS OBSERED
IN THE COMPONENTS DF THE EXMAUST FAN.
— NO WTC RELATED DUST WAS OBSERNED.
- NO CLEANING iS REQUIRED FOR WTC ZEATED DOST.
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC_000135453
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000135453Source: NYC Law Department, mirrored locally