NYC-WTC_000179097

NYC 9/11 Public Portal Document

ATC ASSOCI ATES, INC. J ol JT, time •' INDOOR AIR QUALITY" FIELD REPORT

. LOCA'nON STOYVKSANT HIGH SCnOOL DATE i? / PROJECT NO. 19125-0266

WMW w 3^ 1 5' Io o IC G to G M O TO* 5 J. <3 6 0-0 H H O i 3g 30 7 g■ g JI o II O 'O G V O H 7 J? 3 1 31'5 o c>- c> M O H H O O S '1 J 6 1 5-.'? S2-^ I / ojt f ~l Oo S 2a li>-w o o M -7 I , ^7.^ & /3 0-0 V s a H M V H > 3k -77.^ f 5’^ o O' o S ' O I 1^.8 xi. b ^3SL o O- o

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O Guideline levels 68 -VS^K/n infer 30-60% Outdoor IcA'cl + 9 ppin 65 iig/iir I p|ioi O CO ASTIRAK/AIHA 73 -79"F/s»ninier 700 ppm 24-ii()iir :»\'ei nge Q

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S o Pile assessed lociilioii(s) () Does {) Does not meet es^nblislied indoor nir quiility guidelines. o o I Dote; Iff o SigiiiUiii c: o co CT CO GO

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NYC-WTC_OO0179097