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Document / 40 pages

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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Scanned page image, NYC-WTC_000133692
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NYC 9/11 Public Portal Document Accessible turning vanes Est. total qty No. locations ins cted . N n

Return air grilles Est. total tv T:o. locations ins ected 2.1 Central Ventilation System Visual Inspection Form Page 2 of 2

System Components Surface Component (NOTE: if component not present (NP), riot found (NF) or inaccessible (I) please Dust! WW'TC S not indicate in last column) Debris Dust present Present? Present? E net found • i; inaccessible Other (specify):

Other Information:

Filter loading (light, moderate, heavy): L- I H Abraded delaniinated acoustical lininu Filter bypass (describe)

General impression (indicate recommendations for cleaning based on finding of \V'TC dust):

NU «, ; c Oa5

NEY': NP = not resent: NF = not found: I = inaccessible: 1 = unknown

NYC-WTC 000133692

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NYC-WTC_000133692Source: NYC Law Department, mirrored locally

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