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Indoor air quality field report, P.S. 150M, June 2002

Machine-extracted title · confidence 95%

Field report documenting indoor air quality measurements at P.S. 150M on June 12, 2002.

NYC-WTC_000177998–000178001
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Scanned page image, NYC-WTC_000178000
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OCR status: ocr · source: ours

NYC 9/11 Public Portal Document SUBJECT TO PROTECTIVE ORDER NO. SEPT. 2008 CONFIDENTIAL, CITY_21MC100. 005759935 NYC-WTC_000178000 LOCATION: 1 Location: HLsilU NEXT TE SSriF Purl 4C2 4C1 tl ByLEST ST-1KE 5C1 502 503 504 504 HALWAY HAII BY EAST STAIRS Guideline levels ASHRAE/AIHA Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. siemureiplee7bt Date: 6/12/02 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT PS 150 DATE:6/12/02 PROJECT NO: Occupants Temperature (F) 789 74.6 743 Relative C Humidity (%)10 55.6 478 caCarbon te Carbonzse ADioxide: Monoxide (ppm)e (ppm) a? Respirable Particulate s (ug/m) 416 1 15 22 891 28 31 1037 26 554 + 22 Page 3or 4 19125-0281 TVOCS (PPm) 25 22 20 78,0 74.1 743 139 787 791 79,0 68-75°F/winter 73-79 "F/summer 48.6 553 46.1 47( 46% 42.5 54.1 54.6 30-60% 1026 710 1362 606 610 Outdoor level +700 ppm C 28 33 9 ppm 31 31 31 31 65 ug/m 1 ppm

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NYC-WTC_000178000Source: NYC Law Department, mirrored locally

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