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Indoor air quality field report, ATC Associates Inc., Sep 2001

Machine-extracted title · confidence 85%

Field data sheet for indoor air quality monitoring conducted by ATC Associates Inc., containing raw environmental readings.

NYC-WTC_000174838–000174848
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Scanned page image, NYC-WTC_000174843
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NYC 9/11 Public Portal Document ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION Tthylor _DATE 10/01/01 PROJECTNO. 19855-000l Location Temperature (F) NYC EAP Room mair Entrance 745 middel f flices NE opice alea middledwen ppiceale NYC EAp main Entrane fpiceo callective Bargaining Mai Entrauce wert wing middle E side Halhe south middt tive ale south East wihg Guideline levels ASHRAE/AIHA 69 - 76°F/winter 73-78.5°F/summer Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm) 1.0 1. O 1•0 1'0 0.0 G.0 30-60% Outdoor level + 700 ppm 0.0 0.0 9 ppm Comments: Respirable Particalates(ug/m") The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Date:0/0| 01 17 18 16 15 16 21 17 21 20 21 50 ug/m Page 6 of // TVOCя (ppm) 0 •6 0. 0 0-0 0 =0 0 0 0. 0 0: 0 0. ° 0.0 0. 0 1 ppm NYC-WTC_000174843

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NYC-WTC_000174843Source: NYC Law Department, mirrored locally

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