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Indoor air quality field report, PS 89M, Jan 17 2002

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Field report documenting indoor air quality measurements including temperature, humidity, and TVOCs at PS 89M on January 17, 2002.

NYC-WTC_000174709–000174713
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NYC 9/11 Public Portal Document CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008 CITY_21MC100_014659987 TIME 8:00 LOCATION PS89M Location Оссup. of South Side PlayGround Noith Side of Playground South Side Exit Elevator (HAII) Cafeteria. Dance Room Hall. by Cateteriox. (HAIi) North Ex.t to P.G. Side i3a (HAIl) ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE1/17/02 PROJECT NO._ Tomperature (P) Relatiye Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (Ppm) 45.5 25.4 438 459 28.0 430 68.3 33.0 541 69.2 67.1 29.0 24:8 478 454 67.5 24.2 460 67.4 67.9 24.0 459 24.4 68.4 24.0 499 462 North Exit. Guideline levels ASHRAE/AIHA/EPA 68.9 68-75°F/winter 73-79°F/summer 23.5 30-60% 480 Outdoor level + 700 ppm 9 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Chos Date: 1/17/02 Page Lof 5 19125-297 Respirable Particulates(ug/m') 46 41 31 31 23 23 26 27 29 26 65 ug/m" 24-hour average TVOC: (ppm) 1 ppm NYC-WTC_000174709

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NYC-WTC_000174709Source: NYC Law Department, mirrored locally

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