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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_000180209
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONFIDENTIAL, SEPT. 2008 CITY_21MC100_003464229 NYC-WTC_000180209 ATC ASSOCIATES, INC. l'age 401_14 INDOOR AIR QUALITY FIELD REPORT Time: 8:52Am LOCATION: 20 Trinity Place /HS for Leadership and public services DATE: 5/8/02 PROTECT NO: 15-19125-0290 Location Occupants Temperature ("F) Relative Carbon Carbon -r Respirable Humidity Dioxide Monoxide Particulate (%) (ppm) (ppm) TVOCS (ppm) s (ug/m") Hallcuay OuTsIDE #1006 Roam # 1006 Room+ 1003 Roam # 2085905 Room # 903 STA,RCASE 'A'T DHHOOR Room# 909 Room# 915 R0mA ou TARCASE 606w1 S' FOOR Guideline levels ASHRAE/AIHA 16 13 761 763 76.3 76.1 758 76-2 15.9 75-9 76% 76-5 68 - 75°F/winter 73-79 "Fsummer 444 539 12 0 -0 437 590 0'° 43.7 552 430 508 423 447 436 536 438 568 44.0 523 43:5542 43:5 543 30-60% Outdoor level 11 8 7 8 21 10 13 13 9 ppm 65 ug/m 0 •0 0•0 O '0 0 '6 д.0 0.д 1 ppm + 700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. signature: DA Dare: 5/8/02

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NYC-WTC_000180209Source: NYC Law Department, mirrored locally

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