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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_003045024 TIME 13:00 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Page /| of 13 LOCATION M477 DATE_ 1/16/02 PROJECTNO._ 19/25-246 Location- Овеupe temperature. -Relative Carbon Dioxide, mtmidiy (%) (Ppm) Carbon Monoxide Respirable (PPDD (pantauatestig/m) East Stats. - 74.1 Z1.1 720 10 301 3 73.7 19.5 613 7 302 6 73.9 20.4 600 9 303 29 734 20.7 948 8 305 25 73.4 22.9 925 9 307 (11411) - 73.2 2o.4 680 6 Gyr (HA1I) 313 - 73.0 20,0 660 5 32 72.4 22.3 1'99 8 3/5 34 72.7 22,7 1/29 23 325 Guideline levels ASHRAE/AIHA/EPA 31 72.2 68-75°F/winter 73-79°F/summer 20.0 30-60% 853 Outdoor level + 700 ppm 9 ppm 7 65 ug/m 24-hour average Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Jui Chan Date: 1/16/02 0 IVOCS (PBm) Ippm NYC-WTC_000197469

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NYC-WTC_000197469Source: NYC Law Department, mirrored locally

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