NYC-WTC_000185557

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page (1 of/^ TIME 15-90 INDOOR AIR QUALITY FIELD REPORT

LOCATION StCt y V e 5 Q v7t~ H ■ S. Cm mi7)d ate PROJECT NO. n 135 ~oaM4

I emneraUire Relative Carbon Dioxide, Car .oxide ' Uni Locatioil" ™ TVOC^ BBr lliimidih (' (PP»i) ^■11 in..... ■

n A F? t A 72-4 Mb €7 9 2 ■7-3 O I 33 ---- U.8 Ho. 8 ^17- 2 4G O

So 610 2. 4M O

74-0 42-7 ^8 o by jlxx I IrJ lao 46‘1 l?S5 2 -^o o •Y 74'S Pflih Hall Vy ■7/-5 51.0 6-7f O

lot z 7|.g’ 6(0 o 1/57 2 H( -0 647 75 o 10^ 5 75-^’ z 7-1 o 54.9 46.0 5z0 2 |o5 o Guideline levels 68 -75'’F/winter 30-60% Outdoor level + 9 ppm 65 ug/m^ 1 ppm Q ASFIRAE/AIHA/EPA 73 -79'’F/su!nmer 700 ppm 24-hour average H Hj I

I o Comments:

o The assessed location(s) () Does () Does not meet established indoor air qualitj' guidelines. I o o co o Signature: Date: l^//Vnl o NO CO 0 ■ '

NYC-WTC_000185569