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NYC-WTC_000219474

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000219474–000219478
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Scanned page image, NYC-WTC_000219475
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OCR status: ocr · source: ours

~RKLIO ~OOTONTZ VLEGLLEOO TIME _{#:45 PS8am__. LOCATION NYC 9/11 Public Portal Document ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT ¢ Page = of > DATE LiaqgJor_ PROJECT NO. [9)aS- aRgF Coleter ra FI F4.G 51g O YO oO Hall by Elevator #2. 3 3F.| 525 4 O 5o| 25:3 36.0 549 o ag ° Got (yan) 75.y 204 620 fo) Ho fe) bes yay) 45.0 3£.2 GIB O 43 Oo 506 75. 3 36.6 813 © 44 ° 5o8 Cuan ) F5-0 35-8 “660 O 4s ra 526 | ES. | 35. | 54q 6 3¢ O 5ae 15 Ty. # 3G-F BYO ° yt 6 519 FY.5 | 3H .y $19 O 34 O Guideline levels 68 -75°F winter 30-60% Outdoor level + 9 ppm 65 ug/n I ppm ASHRAE/AINA/EPA 73 -79"F/summer 700 ppm 24-hour average Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: NYC-WTC_000219475 ey Chen Gt! Date: tl2g/or

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NYC-WTC_000219475Source: NYC Law Department, mirrored locally

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