NYC-WTC_000199196

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. time 15.30 INDOOR AIR QUALITI^ FIELD REPORT

LOCATION DATE 4 AyZo l PROJECT NO. mas- a 7 9 Location j Occyp ij. Relative Carbon Dioxide Cni hon Monoxide ;tvocs • i •■it '■’X &

1- 3 -1- 3|- 3 2 O

73 3 5|. 5 HOP 90 O

3 49 H 930 O

H rj 11 -SHl., r I 7.7/^ i>€ c? 890 a 78 o 7 -3 3 C- h d / f 77 5 870 7 75 ■ O

Ai 3 77^ 43 7 5m 7 V6a C' 34- ( 3). O 888 C<

7 IS t 7-0 5'o-H 975 z 54 O

^ll 7? 44 6 8^9 z ^9 o

)__ •77 7 H3- 9 ‘10 9 ______ 6? o Guicleliiie levels 68 -75"F/winler 30-60% Outdoor level + 9 ppm 65 ug/m 1 ppm H ASIIRAE/AIHA/EPA 73 -79*F/suninier 700 ppm 24-hour average I—i s o Comments: o o Io The assessed location(s) {) Docs () Does not meet established indoor air quality guidelines. o co o co Date: NO Signature: ‘i//l /o 2 ho co

NYC-WTC_000199199