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NYC-WTC_000229920

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000229920–000229923
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NYC 9/11 Public Portal Document SUBJECT TO PROTECTIVE ORDER NO. CONFIDENTIAL, CITY_21MC100_003386176 SEPT. 2008 NYC-WTC_000229921 TIME 1430 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS150 M DATE 3122/02 _ PROJECT NO.. -Location Осецр. A Teniperature eRelntiye Humidity (%) Carbon Dioxide: Cibon Monoxide (ppmi) (ppin) Main Desk. Main Fofer Hall by West Stains Eds Rocn 3 Main Lobby Principal Office Main Office Guidance Rm 3 By Boys Rn By Girls km Guideline levels ASHRAE/AIHA/EPA Comments: 75.3 16.0 438 75.8 15.3 579 75.5 73.9 73.7 15.0 50,1 14.8 506 14.4 557 74.3 14.1 505 74.8 14-5 74.6 14.6 570 548 74.7 74.6 68-75"F/winter 73-79"F/summer 14.5 500 14.4 30-60% 50 2 Outdoor level + 700 ppm • ppı The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: gan tn Date: 3/22/62 Page Zuf_4 19125-289 Respirable Patticulates(ug/nl) TVOCs (Ppi) 12 15 14 r4 16 13 15 13 15 13 65 "g/m" 24-hour average I ppm

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NYC-WTC_000229921Source: NYC Law Department, mirrored locally

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