NYC-WTC_000212739

NYC 9/11 Public Portal Document

i ATC ASSOCIATES, INC. INDOOR AIR QUALITY FIELD REPORT I iine: / LOCATION; pS DAJT9^^^^^EniO,lECT NO£^/^2S^22- / ,

- . Location Occupants Temperature (“F), | Relative : i^^Cartwa Carbon Respirable IVOCs Humidity ;.;-'2bioxide2’'.' Monoxide Particulate (PP'u) ’ ' i(%)3G-2i 2z^(ppm)29 /" (PPmJ Z s (ug/m’)

cv V, c WlA 733 h?? ^9-3 VW 23 o TH. I 97 M 22 Z9 2 3,1 92,9 39/ 2^ I h\A I V cvjCg 79.3 92 -3 ^22 2a o I : ' 1' J .'M'lssss

90^ I .lUU c’VCAacnrcvl ( 22 2 VXzAO 27-j 42 1 976, 5*2 G n \?vO I ' 1 I u

eI 75 / 92 9 uG I ML3 ZOl 2 2J 79.( 93 I 1026 o Q H Guideline levels 68 - 75"K/winter 30-60% Outdoor level 9 ppm -2a 65 ug/m I ppm K ASilRAEZAiHA 73-79 "i'/summer + 700 ppm I

S O C (unmeiUs: o o I o i riie assessed loeafion(s) ( ) Docs () Does not meet established indoor air quality guidelines. o CO on ■ Signature: Date: ^/h/c^ M ' o

NYC-WTC_000212740