NYC 9/11 Public Portal Document
2.1 Central Ventilation System Visual Inspection Form Page 2 of 2
Surface Component
System Components Dust/ WTc ® not present
[NOTE: if component not present (NP), not found (NF) or inaccessible (D) please Debris Dust not found
indicate in last column] . Present? | Present? | « inaccessible
Other (specify):
Other Information:
Filter loading (light, moderate, heavy); Lut @HT
[J Filter bypass (describe)
General impression (indicate recommendations for cleaning based on finding of WTC dust):
ee LACK «SDS LIGHT checuuuraton was OBseeyTD
IN “THE COmPomeTS er THe EAHALST Fan,
im NO WTC S8UED DoOST WAA ORSERVED.
- No OLEAN Cy 18 KeQuiees Fee WIC eiteren Dost
KEY: NP = not present; NF = not found; I = inaccessible; 0 = unknown
NYC-WTC_000116359
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000116359Source: 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.