Indoor Air Quality Field Report Data, P.S. 150M, Apr 2002

NYC 9/11 Public Portal Document

( ATC ASSOCIATES, INC. Page L '•* INDOOR AIR QUALITY FIELD REPORT LOCATION (SO in DATE 4 ns 'C/'Z-' project NO. (4 \ ' 2 S']

Location Tettiperature Relative Carbon Dioxide Carbon Respirable I VOCs Humidity (%) (ppm) Monoxide (ppm) Particulafes(iig/iii’) (PP«»)

2 HJiM rcxyi^ co G HAiM 121 212 6 6^ 6^ I 2L>. CO G M 11,'i 34. C 2 C? O H nJ 34. H O :2J. G KAlM 6 XI O H M ______ U-O^2z]&4_ €X)S -5C| rf a H o O 3SJ H G < M G H 77^ re 3751 2rx 6O| O X O W G C-v \ v'AGCG .—o U H o _____________ 3SJ: 5^f c? M X H > —IL O Ne ?Ct -TO tkxis G ' O

ro 47G0Y1124AiLl 2O_ 5^2. __ ^1- NC/CTTO 5-95 w C' V<54n_ -VAfYhJ___ ^73 7 ic w o N^xrree’-Asr hj H 34. G to o Guideline levels 69 - 76"i-7wintcr 730-60% Outdoor level + 9 ppni JlW iig/m’’ I ppin o ASItRAFVAIHA 73-78.5"175ummcr 700 ppm co 24-hoiir average O H h; I Coniiiients: NJ

I o riie assessed locatioii(s) ( ) Docs (.)J2oes not meet established indoor air ([uality guidelines. o I o o Signalnre\>-Al^ Date: M' - 02, cn on

07 co

NYC-WTC_OO0177959