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Indoor air quality field report, PS 234M, Jan 2002

Machine-extracted title · confidence 95%

Field data sheet recording indoor air quality parameters including temperature, humidity, and gas levels at PS 234M on January 25, 2002.

NYC-WTC_000177852–000177854
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Scanned page image, NYC-WTC_000177853
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. SEPT. 2008 CONFIDENTIAL, CITY_21MC100_003444702 TIME 10:30 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS234M DATE_ 1/25/02 Location Occupa er Temiperatürena 23 003 kce Relatiye a Carbon Dioxide Tmdiy%) a20 - 64.8 30.8 624 216 - 65.6 31.0 541 66.0 Hall by 212 279 31.0 605 - 225 - 66.9 67.5 31.3 607 31.5 569 210 67.3 - 31.0 570 219 - 68.4 308 (70 206 (ASSEMDLY) - 67.3 310 740 211 - 68.0 31.0 888 202 - Guideline levels ASHRAE/AIHA/EPA 67.6 68-75"F/winter 73-79"F/summer 31.0 30-60% 840 Outdoor level + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Gai(har Date: 1/25/02 NYC-WTC_000177853 Page 2 013 PROJECT NO. 19125- 279 Carbon Monoxide Akespirable articulates 0g/me 2L4OCS 20 20 21 19 19 23 19 0 9 ppi 21 73 65 ug/m* 24-hour average 1ppm

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NYC-WTC_000177853Source: NYC Law Department, mirrored locally

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