NYC-WTC_000211402

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. j’agc y of INDOOR AIR QUALITY FIELD REPORT Time: C^»-a LOCATION: PROJECT NO: ■:<-A,-Location 13 SZM' ' Occupants ^Temperature (“F): Carbon 57XX Respirable .YI’VOCs V,J’-lYy” ;,c Humidity Tarticulate OSiSHZiZ^ZZzxZOl WWHil »>->(ppWW (ppm) - L y^jS; s (ug7m5 ::

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C'c’OjXJ-e/Z 3 I i SI r T/Z HS.> ex 1T 1 40 O SArx? Cc-V o ni- z 0^0 ^So Mo KJCzCOrC^' AtZ "j-KTAuO 1 '^iz HS.Z 0/0 1 MS n; c yZ (3 a tv rvz 71'2/' 0/ o 1 4^' Guideline levels 68 - 75T’7winlcr 30-60"/o Outdoor level 9 ppm 65 ug/m I ppm o ASIIRAE/AIHA 73-79 ”F/siininier + 700 ppni H

CZoinmciits: S O o The assessed locatioiifs) ( ) Does ( ) Does not meet established indoor air quality guidelines. o I o o Date: /c Z / /■ ■ / ----------------------------------------------------------------- /..................................................................................... -

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NYC-WTC_000211402