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NYC-WTC_000229515

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000229515–000229526
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Scanned page image, NYC-WTC_000229522
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NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. ' INDOOR AIR QUALITY FIELD REPORT

U D A l it )N // DA I I PKO.IFCT NO.

bocii (ion Qwii p I cinpci aim e Kelalivc ( ’ai hoii Dioxide Cailmti ^loiioxide Respiiaiile I it H s 1jc®S I tn inidily (% ) (ppm) (ppm) l’:irtictd!i(cs(im/in'l tppni)

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7J £r2^/ a>oj 0 /£ o o Guideline levels 60 -75"l'7« inter 30-60% Outdoor level + 9 ppm 65 ng/ni‘ I ppni H ASIIHAE/ADIA/EI’A 73 -79T7.SMnimvr 700 ppm 24-lionr average

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NYC-WTC_000229522

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NYC-WTC_000229522Source: NYC Law Department, mirrored locally

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