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NYC-WTC_000222474

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000222474–000222481
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NYC 9/11 Public Portal Document CITY_21MC100 000490091 TIME 1100 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS89M DATE 4/isiou PROJECT NO. Locațion Occup Temperature • ("F) Relative» itumidũy (») Carbon Dioxide (ppш) Carbon Monoxide: s (ppni) 308 76.9 48.3 584 3 310 .3і4 (нAN1) 316 78.0 49.1 549 3 - 77.0 49.5 619 3 1 78.0 49.1 634 3 Hall by Stair2 326 - 71.1 49.2 583 18 77.2 50.0 826 338 15 330 15 76.9 76.6 49.4 812 3 49.7 874 332 319 (HA11) Guideline levels ASHRAE/AIHA/EPA 15 76.2 49.9 783 3 - 75.7 68-75°F/winter 73-79"F/summer 49.2 30-60% 637 Outdoor level + 700 ppm 3 9 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: giilh Date: 4/15/02 NYC-WTC_000222480 Page 1018 19125 - 297 - Respirable Particulates(ig/m) TVQCs :(ppm)* 15 C і4 19 10 19 15 14 15 i2 18 65 uig/m 24-hour average I ppn

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NYC-WTC_000222480Source: NYC Law Department, mirrored locally

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