Draft GC/MS results for VOCs, WTC site, Nov 28 2001

NYC 9/11 Public Portal Document

X ■;

NO QC EVALUATION HAS BEEN PERFORMED. DATA VAUDITY IS UNSUBSTANTIATED AND THE DATA SHOULD BE USED WITH DISCRETION

DRAFT GC/MS Results for 11/28/01 Tentatively Identified Compounds

File Name NYC284 NYC285 NYC286 Sample Location Instrument Blank Tedlar Bag Blank Washing Tent Sample Number A07155 .Sample Height Breathing Level Volume 250 mL 250 mL None None None

File Name NYC287 NYC288 NYC289 Sample Location Austin Tobin Plaza North Tower South Tower Sample Number A07156 A07157 “A07158 Sample Height Breathing Level Ground Level Ground Level Volume 250 mL 200 mL 7 100 mL None 2-Methylfuran 68ppb, Penlane 370 ppb. Isopropylbenzene 42 ppb. Furan 930 ppb.

2-Methyl-Propanal 190 ppb, alkene 240 ppb, alkane 110 ppb, 2-Butenal 80 ppb, 2,3-dihydro-Furan 200 ppb, ketone 380 ppb, 2-methyl-furan 2500 ppb, cycloalkene 150 ppb, alkane 94 ppb, 1-butanol 230 ppb, ketone 160 ppb, 2-pentanone 89 ppb, o A', ketone 130 ppb, H 2,5-dimelhyl-Furan 360 ppb, k; I ketone 90 ppb, to alkane 87 ppb, S o ... alkane 87 ppb, o N-methylpyrole 310 ppb, o I . Pyridine620ppb, . - , o o to CJA unknown 100 ppb, T~7~ ri to o <-n

NYC-WTC_000186618