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?
Page 2 of 2
Component
WTC
• not present
Dust
Present?
,• not found
• inaccessible
Other Information:
Filter loading (light, moderate, heavy): HiArY
IZ Abraded/delaminated acoustical lining Yes
• Filter bypass (describe)
General impression (indicate recommendations for cleaning based on finding of WTC dust):
NO WTC RLATED DUST WAS CBIGRNED IN THE COHRONENTS OF THE SYSTEM
NOR IN THE ASSCCATED DUCTS.
NO CLEANING IS REQUIRED FOR WIR PELATED DUFTA
KEY: NP = not present; NF = not found; L= inaccessible; U = unknown
NYC-WTC_000113879
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000113879Source: 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.