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NYC-WTC_000218561

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000218561–000218568
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NYC 9/11 Public Portal Document TIME la3,0 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS89 M DATE 2/6|02 PROJECT NO. Location Оссup Temperature (F) ne Relative Honidity (%) Carbon Dioxide (PPИD Carbon Monoxide. (Ppnl) 515 (HAII) 71.9 18.2 640 510 71.5 18.0 526 72.4 17.3 814 705 528 6 72.0 17.9 904 530 (HAL)) 10 72.0 18.4 885 532 519 5 72.2 18.5 930 72.8 402 (HAIL) 419 432 (1711) Guideline levels ASHRAE/AIHA/EРA - 17.9 16.0 768 3 71.9 70.9 15.2 648 583 714 68-75°F/winter 73-79"F/summer 15.1 30-60% 571 Outoor level + 700 ppm 9 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Guicks Date: _2/6/03 NYC-WTC_000218566 Page 6ur _8 19125-297 Respirable. Particulates(ughid) TVOCS (ppm) 19 30 26 24 .as 24 20 25 24 22 65 ug/11 24-hour average O 1 ppm

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NYC-WTC_000218566Source: NYC Law Department, mirrored locally

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