NYC 9/11 Public Portal Document
2.1
Central Ventilation System Visual Inspection Form
System Components
[NOTE: t componen: not present (NP), not found (NI) or iaccessible (1) please
indicate in last colum 1]
Other (specify):
Surface
Dust/
Debris
Present?
WTC
Dust
Present?
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Component
• not present
• not found
• toaccesstble :
Other Information:
Filter loading (ligh', mioderate, heavy):_ LIGHT
D Abraded/delar inated acoustical lining
• Filter bypass (describe)
General impression (in licate recommendations for cleaning based on finding of WTC dust):
-NO WT@ RELATED DUST WAS OBSERVED IN THE SYSTEM.
- NO CLEANING IS REQUIRED FOR WICRELATED DUST.
KEY: NP = not present; F = not found; I = inaccessible; U = unknown
NYC-WTC_000135408
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000135408Source: NYC Law Department, mirrored locally