NYC-WTC_000223908

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page (it TIME tCoO INDOOR AIR QUALITY FIELD REPORT

L-OCATION DATE PR0.JECT NO. I q H 5 - 3-7 9

,1 Location Oceup. reinperatnre 1•' •> Relative Carbon Dioxide ;Carbon Monoxide Respiiable TVOCs i ("0 Hiiiiiidity (%) 'aPPP?”) ’ ■ (I’Pm) ]’articul‘ates(iig/iu’) (ppm)

355 3 658 I Ib 0.0

69.C 69 a I lo • O-o

I'D Ge.3 M33 To^ I 8 O-o 31.S ■I 7 0.O

3I 3 tQ/,j I I3

H7.5 33Q I 8 C\c> 3] g 3o.J 35-H I to o

13& 3 c>- C:) I I3 0- o

"loS 3 3-C I 0-0

b-j Ji J__ (i.S -7S"F/V'iii(er H P-T 30-6(1% Outdoor level + 9 ppm I '7 , - ___65 iig/ni 0-0 1 ppm o G'Iidcliuc lew 1 s A.SIIRAE/AIHA/EPA 73 -79'’F/sinnmer 700 ppm 24-hour average H p S o Coinnients: I—i o o I he assessed locsUi()n(s) ( ) Docs ( ) Does not meet established indoor air quality guidelines. \o o

.Signature: Date: 3 3 s / (-3 i O CO CO

NYC-WTC_000223913