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Indoor Air Quality Field Report, NYC BOE, Mar 2002

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ATC Associates indoor air quality field report documenting environmental measurements at a Board of Education location in March 2002.

NYC-WTC_000180155–000180168
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NYC 9/11 Public Portal Document SUBJECT IO PROTECTIVE ORDER NO. CONFIDENTIAL, SEPT. 2008 CITY_21MC100_003463576 NYC-WTC_000180159 TINE 1| : 57 ATL ASSUCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Page 50f. LOCATION 90 Trinitg pL cocation Jccup. R.70 2 Staircase A Gfu fl: Gfu Hallway R.603 R.602 R.6o4 R.611 3 / Sfaircase 5tu f1 stu fl. Hallway 2 R.503 0 25 Guideline levels ASHRAE/ATHA/EPA C'omments: Temiperature (F) 70.2 70.5 70.3 70.7 70.8 70.8 70.8 71.0 70.5 70.3 68-75°F/winter 73-79"Fsummer DATE. 3-7-02 - PROJECT NO._ 19125-0290 Relative Humidity (%) 26.8 27.3 28.4 27.7 28.1 27.4 27.9 29.2 28.9 27.5 30-60"% Carbon Dioxide и(ppm) 566 6 68 768 695 726 680 684 891 613 613 Outdoor level + 700 ppm Carbon Mouoxide (ppin) 2 Kespirable Partieulates dig/n TVOCS (npni) 2 2 2 2 2 2 2 2 2 9 ppm The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: M.Шиdinв Date: 3-7-02 25 0.0 23 0.0 24 24 0 0 0.0 3 2 0.0 36 21 0. 0 0.0 25 39 40 65 ng/m" 24-hour average 0.0 0.0 0.0 Ippm

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NYC-WTC_000180159Source: NYC Law Department, mirrored locally

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