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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_000180214
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONEIDENTIAL, SEPT. 2008 CITY_21MC100_003464234 NYC-WTC_000180214 ATC ASSOCIATES, INC. Page 9 ot 14 INDOOR AIR QUALITY FIELD REPORT Time: 12.55Pm LOCATION: 90 Trinity Place /HS for Leadership and public services DATE: 5/D|02 PROJECT NO: 15-19125-0290 Location Occupants Temperature (F) Humidity Respirable Particulate Hallway ortsice Reai# 1306 StAIRWEllAiTo (2ti FOOR Roou# 1306 Roam# 1203 Room# Hallweny opside Roar + 1203 Room +1209 HHaell way oviside Roou # 1215 Room #/206 STARWELL 'i' TO Froop Guideline levels ASHRAE/AIHA Comments: 2 11 / 29 7 Foll Foll 768 762 16.1 76:0 756 76.0 76•0 15.4 753 75:1 68 - 75°F/winter 73-79 "F/summer 42.0 40:5 404 4l-6 44.4 41.6 42:3 41.3 42-6 42.2 30-60% 774 683 5 6 681 808 1176 3 4 815 917 3 754 816 827 6 Outdoor level 9 ppm 65 ug/m + 700 ppm The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Siynature Daro: 5/8/02 00 00 0-0 0 0 0.0 0.0 1 ppm

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NYC-WTC_000180214Source: NYC Law Department, mirrored locally

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