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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. CONFIDENTIAL, SEPI. 2008 CITY_21MC100_003463593 NYC-WTC_000180172 ATC ASSOCIATES, INC. Page Y of Ly INDOOR AIR QUALITY FIELD REPORT LEADERSHP POBИCSERNE Time: |1• 20_LOCATION: 90 Trinity Place/HS for Economics And Finances DATÉ: 03/08/2002 PROJECT NO: 15-19125-0290 Location "Occupants Temperature ("F) Relative Carbon TVOCS Humidity Respirable Dioxide Particulate . (ppm) (%) (ppm) s (ug/m) 8thflooß ReoM# 805 St FlooR Room #809 gltr floor staurwell A TO Ttu FloOR It floof tallwon CLEVATOR AREA 11 Fl00R R0OM# 702 _LEVATOR AREA Ttt FlooR Room#705 Ttt Fl00R Room #113 Tth FlOOR Room +715 Gtf100 Hell wan BYROOmA Gtt FOOR ROOm #6B Guideline levels ASHRAE/ATHA 20 23 8 4 5 6 2 4 70.2 70.4 702 705 706 704 70.5 70.8 70.8 10.9 68-76F/winter 73-78.5°F/summer 37.0 900 37.1 827 34:8 344 34.3 33.9 33.6 339 34-1 34.0 30-60% 675 672 649 638 568 Carbon Monoxide ((ppm) 2 2 2 2 2 2 2 52° 609 692 2 658 Outdoor level 2 9 ppm 45 42 43 44 39 42 41 37 34 50 ug/m' O 1 ppm + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. sięnature: Prasad Doddapaneni/fared Daddapaui Date: 53/08/02

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NYC-WTC_000180172Source: NYC Law Department, mirrored locally

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