GCMS analysis results for sample AD31585, Jan 28 2002

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Laboratory report showing GCMS analysis of sample AD31585 including unknown compounds and surrogate recovery data.

NYC-WTC_000049902–000049915

Folder label: “GCMS X 1/3/02 A 1/17/02”

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NYC 9/11 Public Portal Document Library searen Compound Report Data File : C: \MSDCHEM\1\5973N\02JAN17\31585.D Vial: 1 Acq On : 17 Jan 2002 2:50 pm Operator: Sample : 508 scan Inst : Instrumen Mise : January 17, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Butanoic acid, 2-methyl-, m. . Concentration Rank 6

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

4.62 0.11 ug/L 30530 1,4-Dichlorobenzene-d4 9.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, 2-methyl-, methyl... 116 C6H12O2 000868-57-5 43 2 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 25 3 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 25 4 Butanoic acid, 2-methyl-, methyl... 116 C6H1202 000868-57-5 25 Abundance Scan 109 (4.618 min): 31585.D (-) m/z 88.00 100.00% 41 88 71 57

5000 101 i ■ ■ ■ 1 i ■ ' -n-p-r-r-r-p-r 49 4.20 4.40 4.60 4.80 5.00 0—mT m/z 41.10 98.94% mlz-> 20 30 50 60 70 80 90 100 110 120 Abundance #16441: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 88 57

5000 29 41 101 AM 4.20 m/z 4.40 71.10 4.60 4.80 5.00 76.13% 69 0• i ■ ‘ ■ i • ' ' ■ i ■ ■ • ■ i ■ ' 1 ......... ) ‘ 1 ** 1................. ’ I ’ * ‘ » I ’ ‘ 11114/4/4*1/** miz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #16436: Butanoic acid, 2-methyl-, methyl ester (CAS) $$ Me... 57 88

4.20 4.40 4.60 4.80 5.00 5000 m/z 57.10 66.94% 27 101 33 69, 116 0-T-pr-r-rV-pr-T-r-r-pr-r-r-r-p-r i 1 ■ ■ ■ i 1 ' ' ■ i ' ■ 1 ■ i ' ' niz-> 20 30 40 50 60 70 80 90 100 110 120 Abundance #16435: Butanoic acid, 2-methyl-, methyl ester 57 83 4.20 4.40 4.60 4.80 5.00 m/z 43.00 46.63% 5000

miz—> 27 0- * । * * 1I • । 33 20 30 • r* • • • । 40 50 • 69 -- , I ' 1 1 1 1 1 1 1 1 1 1 116 60 70 80 90 101

• 1 • i • ■ 100 110 120 AaAaaha).k 4.20 4.40 4.60 4.80 5.00

31585.D SCAN508.M Tue Jan 22 08:36:51 2002 Page 3

NYC-WTC_000049908

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GCMS analysis results for sample AD31671, Jan 28 2002 · Box DEP Box 28

NYC-WTC_000050024

Laboratory report showing GCMS analysis of sample AD31671 including unknown compounds and surrogate recovery data.

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