NYC 9/11 Public Portal Document -. _ _ ___ a NFL i VA l
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Location: Served:
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• Associated mechanical room: clean Y N dry Y N stored chemicals/refizse Y N
Surface Component
P
System Components DusU WTC
[NOTE: if component not present (NP), not found (Ni) or inaccessible (1) please • not present
'Debris Dust a not found
Indicate In last column] I Present? Present? . hse sib)e
Exhaust air outlet: Location:
Accessible for inspection? Y V N (explain):
- louvers, grates and/or screens
- outside air duct
— outside air damper(s)
Exhaust fan unit:
- blower assembly incl. bloa-er wheel, housing, air vanes, in-line noise attenuators
- blower housing acoustical lining
- vibration collars P
Exhaust air distribution:
- Exhaust air ducts Est total In A I0 0 No. locations inspected 1•
Specify type (circle): :petal z s i nssoy fibrous ~le board
- Accessible in-line fire dampers Est. total qt Iy
No. locations inspected I N?
- Accessible turning vanes Est. total qty No. locations inspected
- Exhaust air grilles Est. total qty 9
NP
No. locations inspected d 'r
Other (specify):
Other Infnrmatinn-
General impression (Indicate recommendations for cleaning based on finding of
WTC dust):
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KEY: NP - not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000135440
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