GCMS blank analysis for sample AE08971, April 2002

NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\1\DATA\APR2 5 02\LBA.D Vial: 14 Acq On : 26 Apr 2002 1:18 am Operator: Sample : re-inject Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T.

8.18 6.36 ug/1 768947 1,4-Dichlorobenzene-d4 12.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 Acetic cid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 33 3 CH2=CH 2C(0)OCH3 100 C5H8O2 003724-55-8 10 4 3 - Hydroxy - 2 - pent anone 102 C5H10O2 003142-66-3 9 Abundance Scan 342 (8.182 min): LBAD (-) m/z 43.00 100.00% 43

5000 59

101 ------- 7.80 8.00 8.20 8.40 8.60 —384 +53+ 69 83 I ■ ■ ■ 1 i ' ■ ■ ' i 1 ■ ■ ■ i ■ 1 1 1 i ' 1 ■ ■ i ■ m/ z 59.05 50.73% miz-> 10 20 30 40 50 60 70 80 100 110 | Abundance #64275:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 1 I T '• 1 1 ' ■ ' ' I ■ ‘ —CEit . . 1 I . 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 20.63% 15 31 83 101 r 1202—00010 fr 11tt i ■ ■ ' • i ■ ■ ■ • i ■ ■ i 1 • • 1 i ■ ■ ' ■ i ■

miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 ■ i 1 ■ • ■ । • ■ ■ ■ । ■ II IT । । i i 11 7.80 8.00 8.20 8.40 8.60 5000 57 m/z 58.05 16.78% 101 15 27 [ • • i • > > • j > * • • I ' ■ » > । 1 ■ ' I ■ ‘ mlz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 / 43 7.80 8.00 8.20 8.40 8.60 m/z 41.05 8.10%

5000

58 100 72 - ... ...... 1 38,1 ■..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................

’**/** 1 * ----- m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60

LBA.D GCMS0412.M Fri Apr 26 11:09:02 2002 Page 1

NYC-WTC_000049402