Indoor air quality field report, PS 89M, Feb 27 2002

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page 3 ’ll 8 TIM E HOO INDOOR AIR QUALITY FIELD REPORT

LOCATION PS8A M DATE 3. PROJECT NO, mas - aq ■■Location. Dccup. remperaltire Relative Carbon Dioxide Carbon Monosiile Res pi raI de Tvocr (“F) Ihiiiiidily(%) (ppm) (ppm) l’ar(icidates(ng/ni^) (ppm)

-T-S.Q 54/9 0 IH O

So<;t I 73.7 75-6 O 5t-K Cl.

4 Q Ik Ay_5Jaj r 3 7- 5IC o IS O

. 7 5-5 S5.LI 535 o I'H <3 Soh 50^ 3^ ^s.e 0 IG O

$15 3 s.e 544 o )5 0

Sog 7 5. 7 5 c?5 c IT O 34 74.(9

510 74.6 ^0.8 Io H 0 R

7? 715 ^$S 4 Hu G I 6 o 5’28 7 7^.3 54.6 560 O IS O o Guideline levels 68 -75’F/winter 30-60% Outdoor le\ el + 9 ppm 65 iig/m' I ppm H ASHRAE/ADIA/RPA 73 -79'’F/soiiinier 700 ppm 24-honr average G I—i s o Coninien ts: o o Io The assessed loeation(s) ( ) Does ( ) Does not meet established indoor air qualit)’ guidelines. o co I—i o so Signature: Date: co OS

NYC-WTC_000186001