GCMS DFTPP calibration report, Feb 5 2002

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Chromatogram and method report for DFTPP calibration verification conducted on February 5, 2002.

NYC-WTC_000004770–000004933

Folder label: “GCMS X 2/1/02 A 2/5/02”

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• Data File : C:\MSDCHEM\1\5973N\02FEB05\29232A.D Vial: 4 Acq On 5 Feb 2002 1:13 pm Operator: Sample : 508 scan; re-ext Inst : Instrumen Mise : February 5, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\l-..\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 9 Benzene, l-methyl-3-(1-meth... Concentration Rank 7

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

10.01 0.07 ug/L 52261 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Benzene, 1-methyl-3-(1-methyleth... 134 C10H14 000535-77-3 90 2 Benzene, l-methyl-2-(1-methyleth... 134 C10H14 000527-84-4 90 3 Benzene, methyl(1-methylethyl)- ... 134 C10H14 025155-15-1 86 4 Benzene, 4 - ethyl-1,2-dimethyl-______ 134 C10H14 000934-80-5 86 Abundance Scan 581 (10.007 min): 29232A.D (-) m/z 119.10 100.00% 1* 9

5000 134 91 ----- 39 51 58 65I 77i 86 103 I I 9.60 9.80 10.00 10.20 10.40 ... Il , i i . । 0- i ■ ■ ■ 'i' 1 ' ' i 1 ■ 1 ■ i ■ ' ' ■ i ■ ■ ■ 1 i ' 1 ' ■ i 1 I paanpadanasp— m/z 134.10 37.35% miz-> 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #29883: Benzene, 1-methyl-3-(1-methylethyl)- (CAS) $$ m-Cy... 1 9

5000 9.60 9.80 10.00 10.20 10.40 134 91 m/z 91.00 26.62% 105 । 011I1111I1III* ■ I1' ■ " I ''I7' ' I ■ 11 ------- /z—> 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #29873: Benzene, 1-methyl-2-(1-methylethyl)- 1 9

9.60 9.80 10.00 10.20 10.40 5000 m/z 117.10 19.98% 91 134 65 77 103 1 0 i ■ ■ ■ ■ i ■ ■ ' ■ i • ' ■ ■ i ■ ■ ■ ■ i ' ■ -'l1! ■■■ I ■ ■l.l.il...... V............. ■ i 1 ■

/z—> 30 40 50 60 70 80 90 100 110 120 130 140 Abundance #29874: Benzene, methyl(1-methylethyl)- (CAS) $$ Cymol $$ ... 1 9 1 9.60 9.80 10.00 10.20 10.40 m/z 115.00 11.35%

5000 91 134 .7................................ OT ■40.......50 1 60 ...... p , . . . 193, . । ■ I, 70 80 90 100 110 120 ।. 130 140 9.60 9.80 10.00 10.20 10.40 m/z—> 30

29232A.D SCAN508.M Fri Feb 22 11:44:19 2002 Page 11

NYC-WTC_000004890

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