NYC 9/11 Public Portal Document
2.1 Central Ventilation System Visual Inspection Form
System Components
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please
indicate in last column]
Other (specify):
Surface
Dust/
Debris
Present?
WTC
Dust
Present?
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Component
• not present
• not found
• Inaccessible
Other Information::
Filter loading (light, moderate, heavy): MODLATE
• Abraded/delaminated acoustical lining (E5
• Filter bypass (describe)
- FRESH AIR INTAKE DUCTWORK IS 125 4, LASPECTED AT " LOCATIONS
NO WTC DEBRiS WAS OBSERVED..
General impression (indicate recommendations for cleaning based on finding of WTC dust):
FRESH AR INTATE PIT ARCA FOR THIS CNIT HAS A CINSIDERABIE .
ANDINT CF WTC FLATED DUST ON FAEOR.
THERE IS. NO NOTICIABLE WUTC REATED DEST IN DUCT WIRK.
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000113921*
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000113921Source: NYC Law Department, mirrored locally
An HVAC inspection report from Cole Consulting Corporation dated February 13, 2003, recommending cleaning of units at 275 Greenwich Street due to WTC dust.