NYC-WTC_000175351

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page of INDOOR AIR QUALITY FIELD REPORT

LOCATION PROJECT NO. ~ ^36 /

lunpefatu a ssai I ®arljBn®ioxiaS Ogi Monoxid® o,Brogs 3^ 1^,0 970 76 o. o w G to M ^oG yi.s 77 <5- C? O fL 13.z S^.} a. o H H 1^0 ^^9 O Jo 17.2 6/.( G V O IT O H M O O '2^ 6 <7-^ to '2- 7J <)■ 0 H O H S < M G H yl< 26 '^^■0 ^7^ 11 2. QG o.<!:> a O M G a M s H H 5b S7.9 Z 67 a G >

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to Guideline levels 69 - 76T7winter 30-60% Outdoor level + 9 ppm 65 ug/m^ 1 ppm o ASHRAE/AIHA 73-78.5"F/summer 700 ppm o co 24-hour average O H Comments:

S o The assessed location(s) () Does () Does not meet established indoor air quality guidelines. I—i o o I o Signature: . GavVvxs— Date: 0 7, o co

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NYC-WTC_000175352