NYC-WTC_000218453

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. riME Im50 INDOOR AIR QUALITY FIELD REPORT

LOCATION PS K DATE PROJECT NO.

RO SB s BS TA^OCs (PPifl)

Pl. ^5 _ by Stai r 3 iShPt Y3 S Ie;, fr- 3

Cn/e^ii j

c?3o 3|

ai0

«?IG ,3 s Q 5 _________ H Guideline levels 6<S’-75"EAviiiteT 30-60% Ouldoor level + 9 ppm 65 iig/m^ I ppm ASUKA E/AIHA/EPA 73 -79‘’l'7siimnicr 700 ppm 24-hour average I—i , ■ ■ja;--HIT. ■—______ “ • ••■i .... - ■■ "it*.'"!

S’ a I—i o Comments: o Io o The assessed loca(ioii(s) ( ) Docs ( ) Docs not meet established indoor air quality guidelines. CO

CO CD Signature: Date:

NYC-WTC_000218455