NYC-WTC_000209794

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Page INDOOR AIR QUALITY FIELD REPORT LOCATION ^7 DATls // PROJKC 1 NO.

Location Temperature Relative Carbon Dioxide Carbon kespiratde TVOCs fF) Humidity (%) (ppm) Monoxide (ppm) Partieidates(ug/n?) (ppm)

f. • 6' ■ 6 7_Y£ C'

5z:a7^( 4y£ /6 &■ c> -?2, 9 £ //JAj 'A 7^/ 7i-C' 6' /l^iv ??• 9 >■'

7r, . ^32- <£• C' A'’'Yi ;?> I -^/y Y 6^' 6 r'> a’a 2 o 1 - -o C / Ya’d A S' t; <' c' U

C.iiideline levels 69 - 76“F/winter 30-60% Outdoor le\ el 4 9 ppm 50 iig/n? 1 ppm o .\S11RAI /.AIH V 73-78.5"E/siunnier 701) ppm H

I o ( niiiiiiciits;

o I rhe assessed loeatioiifs) ( ) Does ( ) Does not meet established indoor air (piality guidelines. o o CO .Signature: Date: J O

NYC-WTC_000209795