NYC-WTC_000223908

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. TIME DIMS INDOOR AIR QUALITY FIELD REPORT

LOCATION DATE PRO-IECT no. mas - ss^B=s=s;^^==sas=sss=^ss=s

Loen lion Oecup. reinpcratioe • •Relative Carbon Dioxide b .Carbon Mortoxide , Uespirable TVOCs CT) ITiiiiiidity (%) l’aiticulates(ug/in4 (ppm)

T-OJ- I It?

G33 H2 3 ( .^o C>

6-6’ . Z H|.7' 7 8*0 I O

6^. a H2- I 1 8 o

c V- H3. i ( 3 c I 8 f Cl /> IJ H 2‘ I 7 7

AIL >-0 7 73 7- c-

___ AA.Ckwj-ii 7c . -7 4.5-5 7oH I 7 ■7'1. C; 7'40 i I c- 7]. I 42.5 1 O ______ Guideline levels 6S -75T/n'iiiter 3O7iO% Outdoor level + 9 ppin 65 ng/in 1 ppm o, asiirae/aiha/epa 73 -79“F/siiinmer 700 ppm 24-hour average H ' K I :

I o Coinincnts;

o I be assessed loca(ion(s) ( ) Docs ( ) Does not meet established indoor air quality guidelines. I o o CO NJ .Signature: Date: O CO CO OS

NYC-WTC_000223910