NYC-WTC_000175351

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page of INDOOR AIR QUALITY FIELD REPORT LOCATION feg tXdibm DATE PROJECT NO. /^/Zr-P35 Z iiocatio I^MGs^v. plum n a GnH SfilK SOSI^ w )S 7S.7 ^2 0 4 0,0 G zx- W G H 75.6 <5’- O O A A 1 Iah a 76./ ■i 2 G. o O G O 3si5' lo T?.i > 10 a ri 0.0 A H O A O O uAU ii ^S.i, 'f-/ ao H S < H H 26 1KT_ ffg. :' 1 ho 0. o a O » O H M s H H 2^ 16 If. I ^<6 7^y z <0- 0 » > a ' o ^rtz/ar Ke. ^y.s- 7^______ O- t?

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?> 75.<? ■77? C? ' <9 — w W H do to Guideline levels 69 - 76“F/winter 30-60% Outdoor level + 9 ppm 65 ug/m’* 1 ppin o ASHRAE/AIHA 73-78.5"F/sunimer 700 ppm o co 24-liour average o H 1"^ Comments:

S o The assessed location(s) () Does () Does not meet established indoor air quality guidelines. I—i o o Io o co Signature: cyvi^, Date: 02 ro o

NYC-WTC_000175354