NYC-WTC_000219461

NYC 9/11 Public Portal Document

ATC ASSOCIATES, INC. Pag® of S TIME 11OO INDOOR AIR QUALITY FIELD REPORT

LOCATION PS 89 M DATE PROJECT NO. Hias-

I V h.n -ti, It *

o -S

3^4 M 7q.8 3.?.a O YV

3A8 )> 3s.q 0 3f o

3I I 0 o

15 0 qe o 35^ IT 74-0 2|.e 775 (? 46 ■o

•519 74.3 3o, I S5V O 3<§ O

A3Si iq ^3.0 3o,3 o o 330 9 '^3.3 3o.q 581 <? 30 O

<^I7C Chao ) >3.q 3o.7 5ai-j C o asQ 767 0 Vs O o Guideline levels 68 -75*F/winter 30-60% Outdoor level + 9 ppm 65 ug/ni 1 ppm H ASHRAEZAIHAZEPA 73 .79*F/sMmiiier 700 ppm 24-hour average -------- .i_._ ■■- — I.— I J.. L. I.. ..■! asR

I—i s o Coiniiieiils; o o Io o The assessed loca(ioii(s) ( ) Docs ( ) Docs not meet established indoor air quality guidelines. to co co o Signature: Date: y Hfo

NYC-WTC_000219467