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Ventilation System Evaluation Form, WTC Site, Feb 2003

Machine-extracted title · confidence 80%

Blank form for evaluating ventilation systems including building contact details and system types at the World Trade Center site.

NYC-WTC_000133682–000133721
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NYC 9/11 Public Portal Document

2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of I Mechanical Exhaust System Identification: Location/ Area Served: lac."► Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N Surface Component System Components Dust/ WTC not [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present indicate in last column) Present? Present? not found

inaccessible Exhaust air outlet: L ation: L Accessible for inspection? Y V N (exPlain: ) ~ .i

louvers, grates and/or screens f~ outside air duct 7 tv outside air damper(s) __ Exhaust fan unit: blower assembly Incl. blower wheel, housing, air vanes, inline noise j -~ attenuators blower housin acoustical limn vibration collars - AlP Exhaust air distribution: Exhaust air ducts Est total In ft I2) No. locations inspected . t Specify type (circle): metal fibrous classèlin d metalmasonry fibrous glass board `/ flex-duct ( N Accessible in-line fire dam ers Est. total t No. locations ins ected T Accessible turning vanes Est. total gty No. locations inspected Np Exhaust air_grilles Est. total if No. locations ins ected -_- Other (specify):

Other Information:

General impression (indicate recommendations for cleaning based on finding of WTC dust):

w T( 3L&) 1 u•✓1~

I IiEY: NP = not present; NF = not found; I = Inaccessible; U = unknown

NYC-WTC 000133721

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NYC-WTC_000133721Source: NYC Law Department, mirrored locally

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Memo recommending cleaning of specific roof equipment at 295 Greenwich Street after WTC dust was found during inspection.

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