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NYC-WTC_000226245

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000226245–000226258
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NYC 9/11 Public Portal Document CITY_21MC100 002895532 ATC ASSOCIATES, INC. Page 14 of _14 INDOOR AIR QUALITY FIELD REPORT Time: (:45PM LOCATION: 20 Trinity Place /HS for Leadership and public services, DATB: 518/02-PROJECT NO: 15-19125-0290 Location Occupants Temperature (*F) •Relative Carbon Humidity Dioxide (%) (ppm) Carbon Monoxide (ppm) Respirable Particulate s(ug/m) TVOCS (ppm) Roan # 305 Room+ 309 Henway REanr2s Itallway ourside 306 Room # 206 STAIROUELL'A TO Gym BASEMENT GYM Out Doors MAIN ENTRANCE Out Doors NORTA Of MAIN ENTRAAE Out Doors SOTAOFMAIN ENTRANE Guideline levels ASHRAE/AIHA 9 14.2 24-2 74.0 71.5 74.5 75.9 118 738 23.7 740 68 - 75°F/winter 73-79 °F/summer 41.6 129 0•0 419 139 40-6 628 5 42.0 697 0.0 0-0 407 599 421 918 448 1076 / 0 •0 0.0 0.0 32.8 416 ) 331 4/3 33-2 402 30-60% Outdoor level 9 ppm 54 48 12 65 ug/m) 0.0 0.d 1 ppm + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. signature: fa1 Date: 5/8/02 NYC-WTC_000226258

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NYC-WTC_000226258Source: NYC Law Department, mirrored locally

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