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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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Scanned page image, NYC-WTC_000197465
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NYC 9/11 Public Portal Document CITY_21MC100_003045020 TIME11'00 LOCATION M477 Location: 701 702 703( HAI)) 709(11411) 715 717 727(HAI1) 731 735 Оcсup. 2 2 - - 25 26 - 24 28 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE 1/16/02 PROJECT NO. 19125-246 Temperature. (P) ekelative Himidity (%) Carbon Dioxide -(ppm) Carbon Monoxide (pnm) Respirable Particulates(ug/ml) 69.2 24.8 575 69.5 27.4 660 5 70.0 25.3 572 6 70.2 22.6 540 6 70.3 23.4 869 7 70.1 25.7 1088 8 71•3 21.9 572 7.1 22.3 699 4 stair (HAII)| — Guideline levels ASHRAE/AIHA/EPA 71.2 71.4 68-75°F/winter 73 -79°F/summer 24.2 855 22.2 30-60% 771 Outdoor level + 700 ppm 9 ppm 5 65 ug/m" 24-hour average Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: yu chay Date: 1/76/02 Page 7 of 13 IVOCS (ppni) 1 ppm NYC-WTC_000197465

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NYC-WTC_000197465Source: NYC Law Department, mirrored locally

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