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NYC-WTC_000198966

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000198966–000198973
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NYC 9/11 Public Portal Document CITY_21MC100_006739413 !N!E 1000 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT LOCATION PS89M DATE H/Is/oL PROJECT NO. Location Occup. Temperature ("F) Relative Humidity (%) Carbon Dioxide (ppm) Carbon Monoxide (ppm) 436 75.0 505 61l 428 (HAI1) 75.0 5-1 C35 3 426 753 Hall by Stair z 410 (timil) - 75.4 51.6 532 630 3 647 3 75.7 53.7 648 3 408 30 77.0 56.8 415 76.0 1|2C 660 3 Hall by Elerate- 404 - 50 3 52.5 3 24 761 77.3 683 3 56.0 1047 3 401 Guideline levels ASHRAE/AIHA/EPA 77.0 68-75"R/winter 73-79"F/sumner 44.2 30-60% 566 Outdoor level + 700 ppm 3 9 ppm C'omments: The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature: fiih Date: 4/15|02 NYC-WTC_000198970 Page 5or8 19125-297 Respirable Particulates(ug/m') TVOCS (ppm) 13 21 18 2.3 15 Zü 24 14 65 ug/m 24-hour average 1 ppm

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NYC-WTC_000198970Source: NYC Law Department, mirrored locally

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