NYC-WTC_000208288

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page of INDOOR AIR QUALITY FIELD REPORT

LOCATION Md H■ date 02 PROJECT NO. /7 ~ ^36 /

Location Occup. Temperature Relative Carbon Dioxide Carbon Respirable TVOCs Huiniuitv (PP«J) Monoxide Particulates(ug/m’) (ppm) (%) (PP’»)

^07 970 76 o. o A / f » « 'I \J n 1 4ob 7 b. S o I > U ' ' 6? V ‘ f IL I 1^(3 o. <j

Jo IM.I bo I 72 <5. o

^’1 0-^ 77.Z to/r ?3 <}■ 0

26 (1 c,<o IM.O uf Sl.^ 1 7 S. a 37 7^,0 ll9l 6 0, 0

7'/-V z o-/ ‘/v. V ^2.^ K^'Z'L tr &. (

Guideline levels 69 - 76"F/winter 30-60% Outdoor level + 9 ppm 65 ug/m’ 1 ppm o ASIIRAE/AIHA 73-78.5'’F/summer 700 ppm 24-hour average H K I Comments: S Q I—i o o The assessed location(s) () Does ( ) Does not meet established indoor air quality guidelines. Io o co o Signature: Date: £1. CT O O

NYC-WTC_000208289