NYC-WTC_000227040

NYC 9/11 Public Portal Document

ATC A.SSOCIATES, INC. Z2—■ TIM II /<?’■’3^ INOOOR AIR QUALITY FIELD RETORT

Lt X A IIOIN PROJECr INO. —7- ; . / X

C C, ; •;' ■ :' ' ''K.’-'■ RiiiBI BMWWSSSSWgja iSSSB^K; MM ■■T9T -*;G i -. Ipido)

30 J ' J2 (f. O Jo 30 , o aa ^S' a // c^.£)

<9 0.0

I 30 /^ a, <0

f ‘ 3 3.6J o 0/-^ JO : 73 a <9 ^^7 j I Jo 6 < O 7/ c9

>0 77. / J^Q J^ J), & ------------- ' I 5 / /6 3 J3- O. O o Guideline le^ els 68 -75"FAvbiter ■3070% Outdoor level + 9 ppm 65 ug/ni^ I (?i»iii

s z\SHID\EMII-lzVe.PA 73 -79'’l‘Zsiininier 700 ppm 24-hoiir average

I I § Cdinincn (s;

riic assessed hicaliniifs) ( j Does ( ) Does iiol meet established indoor air quality guidelines.

sc. Signature: SI OS so '

NYC-WTC_000227046