NYC-WTC_000223924

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Pagc^f INDOOR AIR QUALITY FIELD REPORT RS 2 55

r '- Time: \ MA LOCATION: . . DATE: PROJECT NO: 15-19125-0290 Occupants II Temperature (°F) 1 Relative" ; Carbon: i n Garbon R^pira>le W'DI^ide-) Monoxide - Particulate (ppm) brb s(ilg/ni^

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VM 5^5 C:> i i. G 2b -= Ub 11'5 i£ A US 7. 5(. 5 5T}- lOI-L i( - IZO ■ 1-5 n |.s M 0 5) U2J Guideline levels 68 - 75°F/winter 30-60% H Outdoor level 9 ppm 65 ug/m 1 ppin ASHRAE/AIHA 13-19 “F/summcr H + 700 ppm Q

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Comments; I—i s O I—i 'riie assessed location(s) () Does () Does not meet established indoor air quality guidelines. o o Io o Signature:, Date: hJ

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NYC-WTC_000223926