NYC-WTC_000202624

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page Z-Pf INDOOR AIR QUALITY FIELD REPORT :<ws f/ DATE l0/{^2&O/ PROJECT NO. jSj2£zLD12^ LOCATION (JA4a\'^ lecovioCoqA-

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Guideline levels 69 - 76°F/winter 30-60% Outdoor level + 9 ppm 50 ug/m' 1 ppm ASURAE/AIHA 73-78.5“F/siimmer 700 ppm

a Comments; H k; I The assessed luea(iuii(s) () Does () Does not meet established indoor air qualitj’ guidelines. s i\j

o o Signature: Date: 1*^ / 3

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NYC-WTC_000202626