NYC-WTC_000214410

NYC 9/11 Public Portal Document

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ATC ASSOCIATES, INC. P«gc INDOOR AIR QUALITY FIELD REPORT T- Time: 2 4-^ LOCATION; PROJECT NO: Occupants .Carbon Respirablel^/rvOCs Particulate ■ P,ril<<>ilal, (ppm) (ppm)3Y;5 iii, M? xrr -TO aW 55' tlWl \kf£kCj O 1 IS MOZ, 34 73 6 1143 1 LU O 5 ©I 23 •75.^ 53-4 llZ-4 ) 13; HaU vjexn 10 o-esr ■7Z 2- . •stAj^ I SS-I., 4 ii ^O| 2-? 754 SSfc 1166 4 L?. 22? 5S.i 1143 X l3x 2/

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( 5^4 coj I 11 UAtl e>4 eAr-“=T^i|?S o T t o H 68 - 75‘E/wlnfer 5^4 5'8.1 /4, 0 Guideline levels 30-60“/, Outdoor level 9 ppm 65 iig/nv 1 ppti) ASIIRAE/AIHA 73-79 °F/sHinmer + 700 ppm S O I—i o o CditiKicii ts: I O| Oi N)! CO: riie assessed loca(ion(s) ( ) Does () Does not meet established indoor air quality guidelines. o' Sigiialuie:>x ' Dale; <3/32- *

NYC-WTC_000214413