GCMS blank analysis results, sample AE09329, April 2002

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Quality control blank analysis for GCMS showing non-detect results for semi-volatile organic compounds with detection limits of 2.0 µg, completed April 25, 2002.

NYC-WTC_000044758–000044765

Folder label: “GCMS X 4/29/02 A 5/3/02”

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NYC 9/11 Public Portal Document

Data File : C:\HPCHEM\1\DATA\APR2502\LB.D Vial: 3 Acq On : 25 Apr 2002 2:41 pm Operator: Sample : gc/ms scan 4/18 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.

8.19 3.05 ug/1 468154 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 40 2 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 3 Morpholine, 4-methyl- 101 C5H11NO 000109-02-4 9 4 2-Propanone, 1- (1-methylethoxy) - 116 C6H1202 042781-12-4 9 Abundance 7 Scan 342 (8.187 min): LB.D (-) m/z 43.05 100.00% 4)3

59 5000

101 • i ' ■ 7.80 8.00 8.20 8.40 8.60 .........................38 1) 53 83 1 I pi Dil f ii i k i i i i [ r I ' 1 ' ' i 1 1 1 1 I ''1 1 1 i ' ‘ ' 1 i 1 1 ' ' i m/ z 59.05 49.83% m/z-> 10 20 30 40 50 60 70 80 90 100 110

„L. Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 II’IIT 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 19.89% 27 101 49 ,, 83 m/z-> 1 1 1 1 ' ' 1 1 10 20 I, 30 ......40 ............. 50 . P--IP-——m 60 70 80 90 +-11 , ‘ — 100 110 Abundance #1691:3-Hydroxy-2-pentanone 31 59

7.80 8.00 8.20 8.40 8.60 5000 m/z 58.05 16.42% 45 15 i I...... II....... । 'i । । * ii । । । । । । r 1 i 1 1 66 73 84 102 I 1 1 1 1 i 1'1 1 1 i ■ 1 1 r i 1 ' 1 1 i 1 1 1 1 i m/z->10 20 30 40 50 60 70 80 90 100 110 Abundance #1640: Morpholine, 4-methyl- 43 7.80 8.00 8.20 8.40 8.60 m/z 41.05 8.10%

5000 101 15 71 27 ........ .......... I ,......... I I I I I I I I I I I I I I I I I I I' 1 1 i 1 ' 56। 1 i 1 1 ‘ 1 I I 1 1 1 1 I 1 1 1 ' I ' 1 1 1 I 1 1 1 ' I । । । । । । । i । n i । 11 > p । । । । । । t

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

LB.D GCMS0412.M Fri Apr 26 07:55:33 2002 Page 1

NYC-WTC_000044764

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