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Indoor air quality field data sheet, P.S. 150M, April 2002

Machine-extracted title · confidence 95%

Detailed field log of indoor air quality parameters and observations recorded at P.S. 150M on April 18, 2002.

NYC-WTC_000178738–000178741
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Scanned page image, NYC-WTC_000178740
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NYC 9/11 Public Portal Document TZ6€68C00 OOTOWNT?C ALIO ATC ASSOCIATES, INC. Page 3 of + HIME 1300. INDOOR AIR QUALITY FIELD REPORT LOCATION PSI50 M DATE thglo2r PROJECTNO. |9)Q5- agg Location Oceup. | Temperature Relative | Carbon Dioxide | Carbon Monoxide | Respirable | TVOCs CE) Humidity (%) (ppm) (ppm) Particulates(ug/or’) | (ppm) Ketehen _ | Pro | 468 409 3 20. | © Mase Rr. | 8 _4FO 800 3 28 O Hell by SlepSipk 74.3 4F-3 419 3 30 O Hall by West stone Hy Ss WZ-8 F230 3 3a oO Mam Foyer.| | 2 | Meo | Fo) 8 we HOLL. 73.6 46.3 43g 3 aq. | CO HOR _ 3.0 | NS: Fay 3 26 0 Hal} by Sho tL eq #36 4to FAG 2 30 © Hall__by on _L. Be | 443 FF 3 32 _ OL Hall b. PS | | NS __ #30 3 30 O Gu / Gr Aiels. 69-8 Pvinier | 30-60% | Outdoor level + ppm 63 ugh? ippm | _ASHRAL/AIIA/EDA 73 -79"V/summer 700 ppui 24-hour average Comments: The assessed location(s) ( Sieniature: Date: NYC-WTC_000178740 On Clee i 4/6 Jor ) Does () Does not meet established indoor air quality guidelines.

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NYC-WTC_000178740Source: NYC Law Department, mirrored locally

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