NYC-WTC_000211020

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page of INDOOR AIR Qt ALU Y FIELD REPOR I <7 •.^- Tiine: 0) Avv LOCATION: rA a'i DATE:^/^C/22 projit T NO: /

. Location Occupants II Temperature (‘F) Relative ;Carbon ?> - I Carbon Respirable IVOCs Humidity ^Dioxide - Monoxide Particulate (PPn») ----------------------------------- ■ -B== ■ 1! — (%) • ■

(ppm) 5 1 (ppm) s (ug/m*) ( Cm i M>;<| 'i C 7H. MU7 ?MI ( 2^ 1 Hl [ VecyvY nr MZ.,( I )o c II 1^) O s . /1 1 ’

( V"! VI 2 vn ^2 c- ] 7H.^ 2lC 1 I |S2 I 1 71-0 "SC^V I -

Ci 2 C niH 2’ H ’■.cJ 5/C 2^ 1'12 C MC 22. \ O

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H Guideline levels ASIIKAE/AIHA hi 7. 68-75“F/svinler 73-79 "F/summer HC 30-60% ■>40 Outdoor level + 700 ppm Oppin [___ I 2^0 II 65 ug/m I ppm

So Coininciits: o i O I I ; riic assessed loca(i()ii(s) ( ) Does () Docs not meet established indoor air quality miidclines. O

CO : Sijinalii I c:^' L - Date; co co ; cn ! O

NYC-WTC_000211021