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

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ATC Associates indoor air quality field report for 90 Trinity Place detailing temperature, humidity, and pollutant levels in March 2002.

NYC-WTC_000180169–000180182
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONFIDENTIAL, SEPI. 2008 CITY_21MC100_003463594 NYC-WTC_000180173 ATC ASSOCIATES, INC. Page Sof 14 INDOOR AIR QUALITY FIELD REPORT Time: 17:35 LEADERSIMP PUBCICSBRUICES LOCATION: 90 Trinity Place /H$ for Ecanamies And Finanees DATE: 03/08/2002 PROJECT NO: 15-19125-029P Location Occupants Temperature ("F) Relative Humidity Carbon Dioxide (%)4 (ppm) Carbon Monoxide (Ppmi) Respirable TVOCS Particulate (ppm) c(ug/m) Gt FlO0R Room# 609 6th FlooR Room #615 Gth flooR STAIRWENA To 5V FlOOR SHTEVATOR AREA Floor Halway Sth FlOoR Room# 515 Sth Flook Room #509 5th FlOOR ROOW # 506 Sth ploot Room #503 +EEVoR Hakcoay LEVATOR 4tuflooR RoOm#4AE Guideline levels ASHRAE/AIHA 5 / 2 23 19 70.6 70-5 70.3 70.0 70-2 70.0 70.1 69.6 69.8 70% 68-75F/winter 73-78.5°F/summer 336 685 33 33-9 623 2 36 33.5 638 43 332 560 34-5 586 338 542 35.0662 337 529 34.1 593 35-4 739 30-60% Outdoor level 2 2 2 2 2 2 2 9 ppm 45 45 47 0 48 47 45 42 50 ug/m 1 ppm +700 ppm Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. signature: Prasad Doddapaneni/ Prased Doddaptesi Date: 03/08/02

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NYC-WTC_000180173Source: NYC Law Department, mirrored locally

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