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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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NYC 9/11 Public Portal Document SUBJECT TO PROTECTIVE ORDER NO. SEPT. 2008 CONFIDENTIAL, CITY_21MC100 003464228 NYC-WTC_000180208 ATC ASSOCIATES, INC. Page j01_ 14 INDOOR AIR QUALITY FIELD REPORT Time:8.42 Am IOCATION: 90 Trinity Place /HS for Leadership and publio services DATE: 5/8/02 PROJECT NO: 15-19125-0290 Location Occupants Temperature (E) Relative Carbon Carbon Humidity Respirable Dioxide Monoxide Particulate (%) (Ppm) TVOCS (ppm) (Ppm) s (ug/m) Room #1109 Hallway OUTSIDE# 1105 Hallwan oTs iDf ROOM # 1103 ROOMII 1106 Rooms 1115 STAIR CASE B'TO Room # 1105 Room# 1015 Room # 1005 айшąн 4 1045 plaoR 12 8 3 10 2 4 Guideline levels ASHRAE/AIHA 760 15-9 26% 76.2 76.2 76-4 264 26:3 16% 16.0 68 - 75°F/winter 73-79 °F/summer 434 473 6 0.0 43:3 438 0 0'0 438 528 439 582 433 488 43-6 502 13 8 8 д.0 0.0 0 .0 44.0 50l 0'0 435 528 434 562 431 500 30-60% Outdoor level 9 ppm 13 8 12 65 ug/m 0'0 0. 0 0-0 1 ppın + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. signature: RAs Dare: 5/8/02

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NYC-WTC_000180208Source: NYC Law Department, mirrored locally

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