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Indoor air quality field report, PS 89M, Jan 11 2002

Machine-extracted title · confidence 95%

Field report documenting indoor air quality measurements including temperature, humidity, and TVOCs at PS 89M on January 11, 2002.

NYC-WTC_000174714–000174721
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Scanned page image, NYC-WTC_000174718
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NYC 9/11 Public Portal Document CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008 ATC ASSOCIATES, INC. Page 5 o1 8 TIME INDOOR AIR QUALITY FIELD REPORT LOCATION PS89M DATE 1/U1/2002 PROJECTNO. 19125-0297 201 Harren Street, NY. ,NY Location eheeтp. Temperature Relatiye Carbon Dioxide Carbou Monoxide Noz ("F) Respirable Humidity (%) (Ppm) (ppu) Particulates(#g/m") 308 0-0 69.2 23.4 465 7 306 0.0 71.2 23.3 481 304 0:0 70.2 23.0 4$48 30 2 00 69.7 23.0 453 8 301 0-0 73.4 23.7 494 HallegbgElah 00 71-9 22.6 461 TVOCS (ppui) 0:0 0.0 0 . 0 0.0 CITY_21MC100_ 014660011 Guideline levels ASHRAE/AIHA/EPA 68-75°F/winter 73-79°F/summer 30-60% Ontdoor level + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature:_ (om faept Date: 1/11/02 9ppm 65 ug/m 24-hour average 1 ppm NYC-WTC_000174718

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NYC-WTC_000174718Source: NYC Law Department, mirrored locally

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