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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 CONFIDENTIAL, SEPI. 2008 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Time: 10:55 LOCATION: 90 Trinity Place /HS For Feonomies And Finanees LEADERSHIP PUBUCSERVICES DATE: 03/08/2002 Location Occupants Temperature ('F) Relative Carbon Humidity Dioxide (ppm) 1314 Fl00RREoM# 130) 13t FIOOR STAIRWEHA To I2tt FlooR 12th FlooR Hall wau ELEVATOR AREA I2ta F100R Room #1203 12 t FlooR Room #1206 12 t FIOOR Room #1215 12tt Floo R STAIRWEU TO "thFlooR IIth FlO0R Room #l109 II t FlooR Room#is Il th Fl60R Room #/106 Guideline levels ASHRAE/AIHA 0 3 25 23 19 28 681 68•5 68.7 69.0 693 69.5 69.2 696 70•0 70:4 68-75F/winter 73-78.5°F/summer 35.9 36.3 364 371 37.2 38.2 35-2 37-2 369 36•2 30-60% 490 575 629 711 671 900 612 873 822 802 Outdoor level +700 ppm Page 2 of L4 Carbon Monoxide (ppm) PROJECT NO: 15-19125-0290 Respirable TVOCS Particulate (ppm) s (ug/u) 2 2 2 2 2 2 2 2 9 ppm 46. 47 43 54 50 39 43° 48- 50 50 ug/m' O 1 ppm CITY_21MC100_ _003463591 NYC-WTC_000180170 Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Sienature: Prasad Doddapaneni/ Prared Dedlape Date: 03/08/02

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NYC-WTC_000180170Source: NYC Law Department, mirrored locally

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