NYC-WTC_000182483

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. I’age^ ol TIM It /;2;p5~ INDOOR AIR QUALITY FIELD REPORT

LOCATION X-S DATE j? PROJECT NO. /a4?-S~

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o Guideline levels 68 -75"F/«-i»(er 30-60% Outdoor level + 9 ppm 65 ug/m’ 1 ppm /\SHHAEMIHA/E.PA 73 -79"F/siiminer 700 ppm 24-liour average H K . I So Cuininciits: I—i o o I The sissesseil loeii(inii(s) ( ) Docs ( ) Does nol meet eshiblisbeil iiuloor air quality guidelines. o o co o <o Signalui c: Date: co cn

NYC-WTC_000182493