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NYC-WTC_000222474

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000222474–000222481
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NYC 9/11 Public Portal Document 21MC100 000490089 TINE 1000 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS89 M DATE 4/15/02 PROJECT NO. Location Occup: Temperature A(FE2 Relative: Humidity (%): Carbon Dioxide: (ppm)= 430 428 (HAII) 75.0 50.5 611 Carbon Monoxide (PPDi) 2 75.0 53.1 C35 3 126 75.3 Hall by Stair 2 ЧіС (нт1) 408 - 75.4 51.6 53 2 630 3 647 3 7.5.7 53.7 648 3 30 415 - 77.0 76.0 76.1 56.8 120 660 3 50.3 52.5 3 Hull by Flerstir 404 683 3 24 - •401 Guideline levels ASHRAE/AIHА/EРА 77.3 77.0 68-75°F/winter 73-79"F/summer 56.0 49.2 30-60% 1097 3 566 Outdoor level + 700 ppm 3 9 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: ginh Date: 4/15/02 NYC-WTC_000222478 Page 5 of8 19125 - 297 Respirable: Paiticulates(ig/) 13 21 18 .2.3 22 i 15 20 22 24 14 65 ug/m" 24-hour average TVOCSE 1 ppm

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NYC-WTC_000222478Source: NYC Law Department, mirrored locally

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