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Indoor air quality field data sheet, P.S. 150M, April 2002

Machine-extracted title · confidence 90%

Field data sheet recording indoor air quality measurements including temperature and humidity at P.S. 150M in April 2002.

NYC-WTC_000178750–000178753
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Scanned page image, NYC-WTC_000178751
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NYC 9/11 Public Portal Document ALID OO TONTZ €907687c00 ATC ASSOCIATES, INC. Page ~of ¥ TIME x? INDOOR AIR QUALITY FIELD REPORT LOCATION _PSI5O M DATE Shecle: PROJECT NO. | 9) aS- agg Location: :. | Occup..,> Temperature, .|--. Relative - Carbon Dioxide -Carbon Moiioxide. i Respirable TVOCs — oe en Oe 2) Seas Humidity (%) | -. (ppm)~ (ppm) e. Particuiates(ug/m’) ~ (ppni) L,| i j : r~Ps YP. i , | Ping pid y ‘ Ts Tae ae . pe : / ae - | fader cae) rare ' ty foes Pope pw lad | ae eee Gus ( - ; ar we (wat?) ca < 43 F ae ‘ -"" , > ye Kyte , a “3 . Pew, N Fat ) 23 > 4 ied CF C A moe, ' Guideline levels 68 -75°F/winter 30-60% Outdoor level + 9 ppm 65 ug/m” 1 ppm ASTLRAE/ALHA/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: Date: NYC-WTC_000178751 O \ sh/, Z

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NYC-WTC_000178751Source: NYC Law Department, mirrored locally

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