GCMS analysis results for sample AD31677, Jan 2002

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Laboratory report for sample AD31677 documenting detection of unknown compounds and surrogate recovery on January 25, 2002.

NYC-WTC_000050334–000050348

Folder label: “GCMS X 1/3/02 A 1/22 - 1/23/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\5973N\02JAN23\31677.D Vial: 2 Acq On : 23 Jan 2002 3:46 pm Operator: ■Sample : 508 scan Inst : Instrumen Mise : January 22, 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, methyl ester... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 3.60 0.15 ug/L 48647 1,4-Dichlorobenzene-d4 9.72 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 2 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 3 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 83 4 Butanoic acid, methyl ester (CAS... 102 C5H10O2 000623-42-7 74 Abundance Scan 20 (3.602 min): 31677.D (-) m/z 43.10 100.00% 43 74

5000 59 87 39 55 3.50 3.80 370 380 380 4.00^ 49 01mPPT ■ i' “11 ■"' i•••‘i•■■■i ' i • ■ “ । •11 • I““i“ । ■i■■“i• m/z 74.10 97.97% miz-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 85 100 105 110 Abundance #9228: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

5000 TTm—utTuuuu——m7i 59 87 3.50 3.60 3.70 3.80 3.90 4.00 39 55 m/z 71.10 76.59% 102 0 T ‘ l •I +t TTp-rrriT ' ■ i ■ ■ “ i ■11 ■ i ■1 ■ • i ■1 ■ ■ i ■ niz-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 Abundance #9227: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74

3.50 3.60 3.70 3.80 3.90 4.00 5000 m/z41.10 34.51% 59 87 69 102 0 111 1 ‘' 11' ‘' I i 1 '1 1 TMTTH +r hpm > 11 > > > > r>11 > j111 < (> > > >j ■ Hanaiyamnip—m miz-> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 aArasgam Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat.. 4 74 3.50 3.60 3.70 3.80 3.90 4.00 m/z 87.10 29.43%

5000 59 87

33 102 0- ■ i ■1 “ i ‘11 ■ i" ■ ■ i ■ H +t ’ 111117111 —mPRmm -n-rr 111 “' I “ “ I “ 111”11'11'1111 iz—> 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 3.50 3.60 3.70 3.80 3.90 4.00

31677.D SCAN508.M Thu Jan 24 09:57:37 2002 Page 3

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