NYC-WTC_000197523

NYC 9/11 Public Portal Document

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

LOCAl'lON. l^■g-OOl.^. .3"-^5 date Idl H ld\ PROJECT NO. 1^^?-

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o Guideline levels 69 - 76"F/winter 30-60% Outdoor level + 9 ppm 50 ug/in^ 1 ppm H ASllRAE/AIIIA 73-78.5’F/suminer 700 ppm K I So Cuinnicnts: I—i o o Io T lie assessed locatldnp) () Does ( ) Does not meet established indoor air quality guidelines.

iJy \ o co o Signallire: Date: fA \ CT cn CO J vr NYC-WTC_000197524