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Indoor air quality field report, P.S. 150M, May 2002

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Field report documenting indoor air quality measurements at P.S. 150M on May 28, 2002.

NYC-WTC_000177986–000177989
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+ TIME uh LOCATION NYC 9/11 Public Portal Document ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT DATE 3/Ch. 2 aoe 6. Page @ of ty PSL50M PROJECT NO. 19125-0289” Location °: | Occup * Temperature. Relative Carbon Dioxide | Carbon Monoxide T Respirable TVOCs —_ gy a ee, oe (*F) are Humidity (%) (ppm) (ppm) Particulates(ug/m’) (ppm) woeehoh. ty. an ke ee a Ce hho Look Hy ie SFU | v Cf hy i Ly aad re an rane - J! eo a vs c EPs Roo, *) } ue vit a Ae C Meo gah ce - Pag ref Gt - | if Co _ c. 4 . > BS oF Gey } cae deoe cor oe Conti ) Je 22 2 7 Sue | ¥ > Co ’ Guideline levels 68 -75°F/winter 30-60% — | Outdoor level + 9 ppm 6ugm — | tppm~ ASHRAE/AIHA/FPA 73 -79°F/summer 700 ppm 24-hour average Comments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: a Date: 3 ij. he ‘ NYC-WTC_000177987 CITY_21MC100_005759772 CONFIDENTIAL, 2008 SEPT. 2, SUBJECT TO PROTECTIVE ORDER NO.

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NYC-WTC_000177987Source: NYC Law Department, mirrored locally

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