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Indoor Air Quality Field Report, 90 Trinity Place, Mar 2002

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ATC Associates indoor air quality field report for 90 Trinity Place detailing temperature, humidity, and pollutant levels in March 2002.

NYC-WTC_000180169–000180182
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONFIDENTIAL, SEPI. 2008 CITY_21MC100_003463592 NYC-WTC_000180171 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Time: 1-O1 LOCATION: 90 Trinity Place/HS for Bermonttes And bünunees LEADERSIHP PUBLCSERUICES DATE: 03/08/2002 Location Occupants Temperature ("F) Relative Carbon Humidity Dioxide (%) (ppm) lottiFicor iepatiaão eROOm # 1015 10th FloOR Room# 1009 1ot FlooR RoBm# 1005 l0HFloOR, STAIRWELB TO 9 tt Flook qlt FlooR Hall way ELeVaTOR AREA qt floor Roomt 906 qt flooR Room # 905 Ot FlooR Roon #909 Sth floos Hall way Sitt FlooR STAIRWER To 9th Froop Guideline levels ASHRAE/ATHA 24 25 25 8 70.0 357 760 30 70-2 10:4 704 69.8 695 70.0 69.4 68.9 69.3 68-75°F/winter 73-78.5°F/summer 36.3 883 365 997 357 805 33.9 611 33.7 528 36-6 847 34.6 623 347 689 34.4 519 30-60% Outdoor level +700 ppm Page 3 of 14 Comments: PROJECT NO: 15-19125-029D Carbon Monoxide (ppm) 2 Respirable TVOCS Particulate (ppm) s (ug/m") 48.1 2 2 2 52 C 53. 54. 2 2 2 48: 49. G 46- 2 43 42 2 2 9 ppm The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Prasad Doddapaneni/ Mrased Dadeaßus Date: 03/08/02 50 ug/m D 1 ppm

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NYC-WTC_000180171Source: NYC Law Department, mirrored locally

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