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NYC-WTC_000197442

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000197442–000197456
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NYC 9/11 Public Portal Document CITY_21MC100_003044997 TIME 9:30 LOCATION ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Stuyvesant H.S.(M477)0ATF 1/15/02 Page 4 of 13 PROJECTNO. 19125-0246 Locations Oceupon demperature wRelatives Humidity (%) E. Stairs - Bridge (HAIL) 203 - 205 3 2 207 5 209 G"stair (HA11) 233 Б - 33 237 33 239 Guideline levels ASHRAE/AIHA/EPA 2 Comments: Carbon Dioxide (Ppm) *Carbon Monoxide -(ppm)* Respirable Particulates(ng/m') 70.3 35.9 628 31 69.8 34.8 768 42 70.1 34.1 890 40 70.3 35.1 799 38 42 70.8 69.9 34.1 35.5 901 771 40 69.7 32.7 630 36 70.4 70.7 34.7 32.4 71.2 68-75°F/winter 73-79°F/summer 29.5 30-60% 1136 955 664 Outdoor level + 700 ppm 9ppm 37 61 33 65 ug/m" 24-hour average The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: Jon Chan Date: 1/15/02 TVOCS (ppm) 1 ppm NYC-WTC_000197447

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NYC-WTC_000197447Source: NYC Law Department, mirrored locally

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