NYC 9/11 Public Portal Document
2.1 Central Ventilation System Visual Inspection Form : Page 2 of 2
Surface Component
System-Components Dust/ Wwic ® not present
[NOTE: if ecomponeni: not present (NP), not found (NF) or inaccessible (1) please Debris Dust ® not found
indicate in last columa] Present? | Present? @ inaccessible
Other (specify):
Other Information: +.
Filter loading (ligh , moderate, heavy: L1H
[1] Abraded/delan inated acoustical lining
[7 Filter bypass (c ascribe)
|
General impression (in licate recommendations for cleaning hased on finding of WTC dust):
wi No WIC VELATIED Dust was OBSERVED wh THE SYSTEM,
—NO CLEANING 1S TRQUIRED FoR WIC eeiaTeD Dust.
LKEY: NP= not present; |iF = not found; I = inaccessible; D = unknown _ |
TO CCS DIOS
NYC-WTC_000117886
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000117886Source: NYC Law Department, mirrored locally