NYC-WTC_000222487

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. PageJV ofS_ TIME <? 3o INDOOR AIR QUALITY FIELD REPORT

LOCATION PS8AM .DATE H/i7 /oa project NO. HRS'

Location’ Odcilp Tern JaxOhmDWigl ^||.It^pirabl6S/S: ;2ryOG^' ■ y- ("D fe/ S -rtuihiditv (%) • Ci<. / <(|)nm) , . PartiGuiates(iig/ii?) (Pi’in)

33 6/-8 486 Mm a M&

5^6 30 e;?. / ioT-O .7 (0’7^ o 51^ L 1319 688 a 70 a b30 ) 7^. '7- 89 o . 55 2 3i 80-6 M7R tO^3 a BQ o SIM (J .So- 5 Hd-S ?o5 ;z 9o o 5/9 1 0 Be t a So o ^B-0 2 Bo-T^ 11 O Hiq n So.3 46-8 lo 89 O

M >9 (HA)I } H6-7 GO O Guideline levels 68 -75"F/wiiiter 30-60% Outdoor level + 9 ppm 65 ug/m’ 1 ppm ASHRAE/AIHA/EPA 73 -79"F/siimnier 700 ppni 24-hour average ■

n I—I , H si Comments;

n The assessed locption(s) () Does () Does not meet established indoor air quality guidelines. o I o Signature: Date: 9Z|>/o2 o

NYC-WTC_000222490