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NYC-WTC_000226245

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000226245–000226258
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NYC 9/11 Public Portal Document CITY 21MC100 002895524 ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT Time: 9,07 LOCATTON: 90 Triniy Place AS for Leaderhlip and publie services DATB: S/8/02 Location Occupants Temperature CF) Relative Carbon Carbon Humidity Dioxide Monoxide (%) Hallway ouTsIDE #713 (ppm) (ppm) 4 772 771 419 483 1 Room+ 713 Room# 60г Roomi 613 STAIR CASE ALTO ST9 Floof Room# 505 Room# 506 R0Gm# 515 Room # 509 STAIRCASÉ 'À' TO 4H5 FLOUR Guideline levels ASHRAE/AIHA 41.9 455 3 22 8 771 777 77.2 76:8 76.6 76-6 76.6 26-4 68 - 75 F/winter 73-79 °F/summer 427 565 43.0 500 42.6 496 42.5 596 41.9 524 486 42-3 418 30-60% 529 593 Outdoor level +700 ppm Page 6 of 14_ Comments: PROJECT NO: 15-19125-0290 Respirable Particulate TVOCs (ppm) s (ug/m) 6 0.0 8 7 8 9ppm 65 ug/m" The assessed location(s) () Does () Does not meet established indoor air quality guidelines. Signature:_ Date: 51802 0'0 0. 0 0.0 0 0 0 0 0•0 0°0 0.0 1ppm NYC-WTC_000226250

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NYC-WTC_000226250Source: NYC Law Department, mirrored locally

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