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NYC-WTC_000197457

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000197457–000197471
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NYC 9/11 Public Portal Document CITY_21MC100_003045018 TIME_ 10:00 LOCATION M477 Location Оссup. West Stair - 9a6 3 936 28 935 30 938 940 20 939 30 H Stairs - Elevator (HA11) 30 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE 1/16/02 PROJECT NO. demperature CE(D) Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm), 74.6 21.8 782 70.1 24-0 601 70.5 24.3 890 71.0 21.9 990 72.3 22.9 590 70.9 21.5 888 70.5 21.9 1004 71.5 22.3 760 71.3 902 Guideline levels ASHRAE/AIHA/EPA 72.0 68-75°F/winter 73-79°F/summer 2/•5 22.0 30-60% 599 999 Outdoor level + 700 ppm 9 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: guilhap Date: 1/16/02 NYC-WTC_000197463 Page 5 of 13 19125 246 Respirable Particnlates(ug/m) 7 9 12 8 9 10 7 6 7 65 "g/m" 24-hour average TVOCS (ppm) 1 ppm

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NYC-WTC_000197463Source: NYC Law Department, mirrored locally

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