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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 TO PROTECTIVE ORDER NO. 2, SEPT. 2008 CONFIDENTIAL, CITY_21MC100_003463596 NYC-WTC_000180175 ATC ASSOCIATES, INC INDOOR AIR QUALITY FIELD REPORT LEADERSHIP Time:|L: O5 LOCATION: 90 Trinity Place /HS for Reorromics And Finanees PUBLICSERUICES DATE: 03/08/2002 Location Occupants Temperature ("F) Relative Carbon Humidity Dioxide (%%) (ppm) 2nd FlooR Roam # 205 NORTH SIDE and FlooR Room # 206 nd FlcoR Koom #20 AST 2'0 Znd FLOOR ROom # 206 SOUTHSIDE znd FlooR STAIRWEL JU ISTFlOOR BASEMENT Hallway GyM AREA BASEMENT GUM OUTSIDE MAIN ENTRANCE 69-7 33.4 578 OUTSIDE NORTU OF MAIN ENTRANCE OUTSIDE SOUTHOF MAIN ENTRANCE Guideline levels ASHRAE/AIHA 704 70.6 70.1 70% 705 72.2 54.1 495 517 68-75F/winter 73-78.5°F/summer 33.2 486 33-2 504 33.4 33:0 492 552 39.8 429 361 38-4 44.9 30-60% 657 630 445 428 432 Outdoor level +700 ppm Page Lof 14 Comments: PROJECT NO: 15-19125-0290 Carbons Monoxide (ppm) Respirable TVOCS Particulate (ppm) s (ug/ni) H5 2 2 44 43° 2 46 41 2 2 3 5 40 34 |23 9 ppm The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Sinature: Prasad Doddapaneni/Pasa d Declapaau Date:02/08602 121 164 50ug/m 1 ppm

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NYC-WTC_000180175Source: NYC Law Department, mirrored locally

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