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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 CITY_21MC100. 000490090 TIME 1030 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS89M DATE 4/15/01 PROJECT NO. Location :Occup: :Tèm perature * «Relative Humidity (%)* Carbon Dioxide (ppm) Carbon Monoxide (Ppm) 401 (HAIL) 40г 301 28 76.5 77.3 Si.9 662 3 55.3 - 77.1 48.2 1240 563 3 3 307 16 304 773 78.0 50.6 802 3 14 - 50.G 810 3 Hullby Stair 3 30. 77.2 49.6 626 3 19 78.2 44.2 940 663 3 307(H1LL) 315 36 77.5 76.5 49.2 3 50.0 636 3 315 (HAII) Guideline levels ASHRAEAIHA/EPA 77.2 68-75°F/winter 73-79"F/summer 49.5 30-60% 654 Outdoor level + 700 ppm 9ppm Comments: The assessed location(s) ( ) Does () Does not meet established indoor air quality guidelines. Signature: Date: 4ls10= NYC-WTC_000222479 Page 60f8 19125 - 297 Respirable Particilates(ug/m) TVOCS: (ppm) 22 34 19 18 19 22 19 22 zü 65 ug/m" 24-hour average 1 ppm

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NYC-WTC_000222479Source: NYC Law Department, mirrored locally

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