NYC-WTC_000212695

NYC 9/11 Public Portal Document

ATC ASSOCIATES. INC. PageAof ' INDOOR AIR QUALITY FIELD REPORT Time: 1LOCATION: . . DATE; b> ‘^l ^ L PROJECT NO: 15-19125-0290 I Location Occupants H Temperature rF),:| Relati^e22 T < Carbon; ’ Garbon^ Rexplrrtle TVOCs V Monoxide - Particulate s(ug/m^ Pzn'iz-; / z_ 12 ■o 5£!_ 7^ 21 5/ O HO if 2^ 317 lo 7 nU Tn z 3/2 O 7(.4 'MGf Lk Pm 3 / G 15 23-3 loiC saas^iBaasa^HBaMBsa Ui pm 3 f V 22 q t HC,5 MSI. /’pt n.<^ '^l,h ")

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^zi2 XT TO " >3/0 gOz22 5 (/ _________ Guideline levels IO 11.6 ^STTSr/winter 2(3' 30-60% 1%“l Outdoor level 9 ppm u 65 ug/n? 1 ppm o ASHRAE/AIHA 73-79 “E summer + 700 ppm

2 Comments: I—i s o o I lie assessed location(s) ( ) Does ( ) Does not meet established indoor air quality guidelines. o I o “S 3 c-) o (SO Signature:, Date: ‘ co /z CT I—i

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NYC-WTC_000212700