Indoor air quality field report, 100 Trinity Place, March 2002

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page 7 of INDOOR AIR QUALI I Y FIELD REPORT

I ,< )CATION /OS 7r//y/^ DATE 3-7-OZ PROJECT NO.

Lfjcntion ; OEciijJ;' lenipei^a|iny; Relative, , CarbQp Mpnoxiilo' ' rk'espiiable . ATVOOt^ ( • CF)'' ' Huniidih/ (%) XPPm), Pp.^ienlatesO.g/n.^), (PPnO I

CO G 7/. 9 -rs-6 cZ ao CO G M O 0 7^. V sy. 7 /c> H Cc^frycrrcc H 7^. / 7<fcS> O tP. G XI O O 7<^- / ^5. 9 6 7 7). o H M a o yTcc. 77' H H O Z / 77- / J 7// // 7>. O < G M H

O 7^ U M S 6 77^ 7 <7>, €? U H M H > e-70S 7) 73. S ef /<^3 /J O. cP Z ' o 7^.7^ 73: s So / 7 O. O co p'.Tc F o 73. 7 '7 / 6 H o. H T'A-' y^r 7 337 <9 O o Guideline levels 68 -75“P/wiiilei- 30-60% Outdoor level + 9 ppm 65ng7m I ppm co 7J -79'’F/suinmer 700 ppm 24-lioiir a^'erage o H ASIIRAE/AIUA/EPA J K I Commeiils: I—i s o o The asses-sed localioiifs) () Docs ( ) Does not meet established indoor air quality guidelines. o I Signature: /// • 777^07^ o Date: 7 <5’^ o co / co CD NO

NYC-WTC_000178839