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NYC-WTC_000220656
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000220656–000220663Page image
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NYC 9/11 Public Portal Document CITY_21MC100_002886636 TINE _900 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION P$89 M DATE 4/19/02 PROJECT NO. Location Occup. Temperature ("F) Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm) 501 502 30 72.0 49.2 1 48.8 750 8/2 3 72.2 72.41 3 Hall bf Stair 3 504 3 49:4 772 3 34 733 50.1 1420 3 506 35 738 So.6 1105 3 515 508 510 (HAIL). 72.9 741 74.2 47.7 635 3 47.4 667 3 512 74.3 48.1 48.0 617 3 1 - lallpzStair? Suideline levels ASHRAE/AIHA/EPA 75.1 68-75"F/winter 73 -79"F/summer 48.0 30-60% 631 610 Ouidoor level + 700 ppm 3 ppo Comments: The assessed location(s) ( ) Does ( ) Does not meet established indoor air quality guidelines. Signature: Qi Chay Date: 4/14/02 NYC-WTC_000220658 • Page 3ul 8 19185- 297 Respirable P'articulates(ug/m') TVOCS (ppIт) 35 € 29 C 40 39 35 40 48 50 37 50 65 ug/m 24-hour average 1 ppm
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NYC-WTC_000220658Source: NYC Law Department, mirrored locally
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