NYC-WTC_000209152

NYC 9/11 Public Portal Document

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05 ATC ASSOCIATES, INC, Pa; -e of 'X Is) o TIME tOJO INDOOR AIR QUALITY FIELD REP ORT j o ts) •o

LOCATION PS 8A M DzVTE 3/^sfo^ PROJECT NO. iq'ias- * 09 I Locn1ioiiC;?X Occufe 'u CcFX'-: dr - C .r. > ;Bjwagjs, •X

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tg.? <"o 3 <5 h o Guideline levels 68 -VS’FAvinter 30-60% Outdoor level + 9 ppm 65 ug/ii? I ppm o ashuae/aioa/epa 73 -79*F/5aniuier 700 ppm . 24-Iiour average H 1*^ to Co in 111 cuts: s O I—i o o The assessed Ioca(ioii(s) () Does () Does not meet established indoor air qualify' guideJiries. i o I H* C9 o

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NYC-WTC_000209158