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NYC-WTC_000222487

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000222487–000222494
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NYC 9/11 Public Portal Document CITY_21MC100_000490103 TIME 1000 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Page 5 0f g LOCATION PS89M DATE 4/17/02 PROJECT NO. 19125 - 297 Löcation ZOPO ccnpresTen peratufe n • (FCC eRelativez Chrbon: Diöxide 2 Chrbon Monöxidesoxu Respirable Humidiy (%) (ppm) Particuilates(ig/ni') 432 20 79.8 79.8 47.2 48.5 1153 2 430 4а8 (1A11) 2j 1176 872 426 - 79.7 70.9 79.9 46.6 2 45.6 743 2 Hall by Stairz 410 (4A11) 408 45:9 730 2 80.2 465 714 2 25 83.3 (Hall) 406 404 - 30 82.2 82.7 402 Guideline levels ASHRAE/AIHA/EPA 31 84.0 68-75°F/winter 73-79°F/summer 49.7 45.3 47.9 49.4 30-60% 975 2 720 973 1040 Outdoor level + 700 ppm Comments: The assessed location(s) ( ) Does () Does not meet established indoor air quality guidelines. Signature: Jon,Cha Date: 4/17/02 NYC-WTC_000222491 58 47 88 67 89 87 76 88 83 90 65 ug/m' 24-hour average TVOCS (ppm) C 0 C C 1 ppm

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NYC-WTC_000222491Source: NYC Law Department, mirrored locally

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