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Indoor Air Quality Field Report Data, P.S. 150M, Apr 2002

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Data sheet recording environmental parameters including carbon dioxide and particulate levels at P.S. 150M.

NYC-WTC_000177958–000177961
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NYC 9/11 Public Portal Document uccup SUBJECT TO PROTECTIVE ORDER NO. N SEPT. 2008 CONFIDENTIAL, 10 CITY_21MC100_005759638 NYC-WTC_000177960 LOCATION P$ 150M7 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE 4.25-02 PROJECT NO. 19125 28] rage 30r 3 Location Resoupce im NuREs- fin Temperature (F) 72,6 72.9 72.9 72.7 72.3 Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm) Respirable Particulates(ng/m) TVOCS (ppIu) kitehien MusC. fin MeXTTUSiCP SINK. 404 403 403 H4i1 NexTTUBoys Rm NEXTTUGWIS Rin Guideline levels ASHRAE/AIHA 721 71.7 71,9 71.6 713 61)-76"F/winter 73-78.5"F/summer 34.6 34.7 35,1 35.1 35.6 35.7 34.1 34.6 34.7 35.6 30-60% 2 599 603 489 481 389 19 19 19 18 2 2 22 810 461 477 487 Outdoor level + 700 ррm 2 2 19 18 2 9 ppm 21 50 ug/m" 24-hour average і ppu Comments: The assessed location(s) ( ) Docs () Does not mect established indoor air quality guidelines. SignatureC A21 Dare: 4 .25. 02

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NYC-WTC_000177960Source: NYC Law Department, mirrored locally

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NYC-WTC_000177938

Field report containing temperature, humidity, and gas readings from indoor air quality testing at P.S. 150M.

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