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Indoor Air Quality Field Report, 90 Trinity Place, May 2002

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ATC Associates indoor air quality field report for 90 Trinity Place documenting environmental conditions in May 2002.

NYC-WTC_000180206–000180219
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Scanned page image, NYC-WTC_000180212
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NYC 9/11 Public Portal Document SUBJECT TO CONFIDENTIAL, SEPT. 2008 CITY_21MC100. 003464232 NYC-WTC_000180212 ATC ASSOCIATES, INC. Page Zof_14 Time:9: 28Am INDOOR AIR QUALITY FIELD REPORT LOCATION: 20 Trinity Place /S for Leadership and public services DATE: 5/8|02 PROJECT NO: 15-19125-1290 -Location "Temperature ('F)" •Relative Carbon Carbon « Respirable Humidity Dioxide (%) Monoxide Partieulate TVOCS (ppm) (ppm) ((ppm) s (ug/m) Room# 404 нашьам GTSWE Room # 403 Room # 305 Talcvae OrTSiDE OOM# 315 Roon # 206 STAIRCASE ATO Gym BASEMENT GYM Out Doors MAIN ENTRANCE Out Doors NORTA OF ENIRANES Out Doors SOUTHI OF MANNENTPANCE Guideline levels ASHRAE/AIHA / 15 18 17.1 761 76:9 167 76-5 77.6 78.4 69.6 69.7 69.8 68-75°F/winter 73-79"F/summer 44 1 689 43-6 654 0'0 441 659 421 513 41.9 431 8 427 532 8 00 0.0 0.0 0:0 461 1052 13 449 406 52 0.6 08 45-8 418 65 46-5 406 70 30-60% Outdoor level 9 ppm 65 ug/m) 1 ppm + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. signature: s Date: 5/8/62

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NYC-WTC_000180212Source: NYC Law Department, mirrored locally

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