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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_000197466
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NYC 9/11 Public Portal Document CITY_21MC100_ 003045021 TIME 11:30 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION M477 DATE_ 1/16/02 PROJECT NO. Locations Оссup dem perature (F kelatire Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide. (ppin) "H" Stains - 73.0 18.5 465 639 (4411) 735 18.5 499 635 34 74.3 21.6 629 27 73.8 21.6 925 627(HAI1) 73.1 20 .I 669 615 50 72.5 20.0 634 615A 30 73.0 20.4 790 615C 3 73.3 20 .5 621 Gym(H411) 601 Guideline levels ASHRAE/AШA/EРA - 71.8 1 72.D 68-75°F/winter 73-79°F/summer 19.6 19.6 30-60% 617 550 Outdoor level + 700 ppm 2ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Jon Chay Date: 1/16/02 NYC-WTC_000197466 Page § of _13 19125-246 .Respirable Particulates(ug/m) 8 8 8 9 9 9 8 7 7 65 ug/m3 24-hour average IVOCS (ppm)* 1 ppm

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NYC-WTC_000197466Source: NYC Law Department, mirrored locally

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