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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_003045023 TIME 12:30 LOCATION M477 Locatiou Оссиp. "H"Stairs - 439 (HАNL) - 427 27 4/3 (H4)) - Elavaton (11A11) - 407 34 405 26 403 (HA)1) - 402 3 Zo ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE 1/16/02 PROJECT NO. 19125 •246 demperature Kelative Ilumdin (%) Carbon Dioxide, (ppm) Carbon Monoxide (ppui) Respirable Partioulates(ue/mg) 74.1 16.6 466 8 7318 18.0 557 72.7 21.6 989 9 13 72•7 20 .8 640 = 72.6 20.7 620 72.9 21.6 981 16 72.8 22.2 1004 9 404 Guideline levels ASHRAE/AIHA/EPA 72.9 74.1 73.9 68-75°F/winter 73-79°F/summer 21:4 799 8 71.6 21.8 30-60% 796 856 Outdoor level + 700 ppm 9 2 ppm 9 65 ng/m* 24-hour average Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Jaiches Date:621/16/02 Page 10 of13 TVOCS (ppm) 1 ppm NYC-WTC_000197468

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NYC-WTC_000197468Source: NYC Law Department, mirrored locally

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