NYC-WTC_000211402

NYC 9/11 Public Portal Document

l*3gc ^of ATC ASSOCI ATES, INC. INDOOR AIR QUALITY FIELD REPORT Time: Q2p I AP1 LOCATION: ps n DATE: 4^^project NO: / 9/7 7''3/77/

>1377775^ 3/':, \ /,7 Location Occupants IF/Temperature ( F}; .Carbon a/ /Respirable /^yocs 7?':3c'- -■.’!7-'’ .7 Monoxid^.-?? particulate 7(ppn0 LoTiTidHTTEiTllT/ 5 (lig/m’) /; 7377 ■^oi [ 20 I L-c- I n 301 ?Z,q ( 1 O QO l I 17 2H HcA( 1 I z> r~ry’ to A>^AA 4 C 73. G MS 71 I it .C

Hai I v\/A3/ XT p-' 7^/f I a C: o 3SO I lo 3OCa 77.0 77-0 115' 1 ii 3C^ 5Al) vV-Vc^ 1 73. f MS. f (3C5f 1 315 1X V 4<j -? 49,6 73^9 ^SG I 3 315 O Th > -a/ I 553 I Cj Guideline levels 68 - TS^F/winter 30-60“/o f Outdoor level 9 ppm 65 ug/in’’ 1 ppm o 73-79 '’F/summer + 700 ppm ASIIRAE/AIHA H . 7 s Q Comments:

o o riie assessed location(s) ( ) Does ( ) Does not meet established indoor air quality guidelines. I o o Signature: Date:_ ^/l cn cn CO

NYC-WTC_000211405