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NYC-WTC_000204504

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000204504–000204515
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NYC 9/11 Public Portal Document CITY 21MC100 003061355 TINE 8:45 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Page 301/2 LOCATION Stuyvesant H.S. (M477)DATE 3-6-02 PROJECT NO._ 19125-0246 Location Occup. Temperature (F) Relative Humidity (%) CarDon Monotille ct (ppin) Respirable PArtieülates(üğ/*) 3nd fl. Halleay 3id fl- Gym 3 71.8 71.9 303 25 305 30 72.0 72.6 307 30 313 30 315 25 71.3 72.4 71.8 327 30 329 25 333 Guideline levels ASHRAE/AIHA/EPA 30 72.3 71.9 71.5 68-75"F/winter 73-79"Fsummer Comments: 232 25.8 26.1 26.5 25.8 26.3 26.2 27.4 26.4 27.1 30-60% Carbon Dioxide (ppin) 570 5 603 /3 978 1063 7 10 1008 967 944 12 1074 10 1021 1085 Outdoor level + 700 ppm У ppm 8 65 ug/m" 24-hour average The assessed Incation(s) () Does () Does not meet established indoor air quality guidelines. Signature: At-Adong Date: 3-6-02 TVOCS (ppln) 0.0 0,0 0.0 0.0 0.0 0.0 0,0 0.0 0,0 Ippor NYC-WTC_000204506

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NYC-WTC_000204506Source: NYC Law Department, mirrored locally

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