Indoor air quality field report, PS 89M, Feb 27 2002

NYC 9/11 Public Portal Document

ATC ASSOCI ATES, INC. I’l'ge 5 ol 8 TIME lOOO INDOOR AIR QUALITY FIELD REPORT

LOC A l lON P58A M DATE 51/57/0□. PROJECT NO. mas - cH Locution Orcui. 21 eniperatme RelatiAC Carbon Dioxide Carbon Monoxide Respirable TVOCs t'T-) Iliiniidily ("A) (ppm) (ppm) - Parliciilates(iig/inH • Hpp’’’)

S 3{? { HAI) ) • ■an--? 5V7 0 (4

4^8 7^5 544 O 15 o

43^ 755 553 5-20 /y H St O ( MAll ) 75-5 O IQ> O

77-5 5 5'0 S3o O I 5 o 4 to CoA^ii )

Hog 73 J 85cj /7 22

Ka IL A y its- s 566 0 18 o

4o 14 3^ ag.) 07S 0 71 O

Ho 3 73.^ 78.U ^34 □ 7 A LJ

Hol 1 :tM.8 C 84 0 to 0 o Guideline levels 68 -VS’E/xviiiter 300% Outdoor level + 9 ppm 65 ug/nC I ppm H ASHRAE/AlllA/EPA 73 -79 "F/siininier 700 ppm 24-liour average

I—i s o Coiniiienls: o o \o The assessed htca(ioii(s) ( ) Does ( ) Does not meet established indoor air quality guidelines. o co o Signature; Datc: ^t4i7-/o a. so co OS

NYC-WTC_000186003