NYC-WTC_000197569

NYC 9/11 Public Portal Document

Xr/e^/Z/X ATC ASSOCIATES, INC. l’agc _J_ of_ ’ TIME INDOOR AIR QUALITY FIELD REPORT

LOC/VnON STOYVESANT niGD SCHOOL date ff I / PROJECT NO. 19125-0266

Local ion Occup Temperature - Relative '. i •'i Carbon Dioxide^ c Carbon ModosMo , Respirable TVOC's . -w-4 Hi,,.M.ty(%) ;..5(pp.n) Partieidi»tes(iig/iii ’) (I>P«h) / Ll. 6 1 O - Ci

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Guideline levels 68 -75"F/wiiifer 30-60% Outdoor level + 9 ppin 65 ii(;/(ii I p|l(U o |1___ASHKAIC/AllIA 73 -79"F/siimmer 700 ppm 24-lioiir avei age H

I o Coininents:

The ii.s-scssc(l Iocji<ion(s) ( ) Docs ( ) Does not meet estahlis icd indoor air quality guidelines. o 1o

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NYC-WTC_000197571