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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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Scanned page image, NYC-WTC_000174710
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NYC 9/11 Public Portal Document CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008 CITY_21MC100_014659988 TIME 8:25 LOCATION Location 501 502 Hall by 504 Staim #3 506 509(HA11) WiNDOw #IOPEN HAl by stain#* 528 519 89M Oceup. - 3 3 3 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE_ 1/17/02 _ PROJECT NO. Temperature (F) Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm) 74.2 21.9 465 75.2 20.9 449 74.8 20.8 455 78.0 23.3 76.3 629 499 74.7 19.4 19.0 465 71.7 19.1 433 72.5 20.2 499 71.7 20.0 533 532 Guideline levels :ASHRAE/AIHA/ЕРА 77.0 68-75°T/winter 73-79"F/summer Zo.o 30-60% 464 Outdoor level + 700 ppm 9 ppm Comments: The assessed location(s) () Docs () Does not meet established indoor air quality guidelines. Signature: gui Chas Date: 1/17/02 NYC-WTC_000174710 Page L of 5 19125-297 Respirable Particulates(ug/m') 19 26 29 28 34 36 28 26 26 65 ug/m" 24-hour average TVOCS (Ppm) 1 ppm

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NYC-WTC_000174710Source: NYC Law Department, mirrored locally

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