GCMS analysis results for sample AE00169, Jan 2002

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Laboratory report for sample AE00169 documenting detection of unknown compounds and surrogate recovery on January 28, 2002.

NYC-WTC_000050519–000050538

Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”

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NYC 9/11 Public Portal Document **>**** ***rY*

Data. File : C: \MSDCHEM\1\5973N\02JAN24\00169.D Vial: 2 . Acq On : 24 Jan 2002 3:48 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 24, 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 2 Butanoic acid, methyl ester... Concentration Rank 11 R.T. EstConc Area Relative to ISTD R.T. 3.61 0.14 ug/L 70397 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 102 C5H10O2 000623-42-7 78 Abundance Scan 21 (3.613 min): 00169.D (-) m/z 43.10 100.00% 43 74

5000 59 87 -A 4 3.50 3.60 3.70 3.80 3.90 4.00 "■'I'"1!1 m/z 74.00 93.80% nz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #9222: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 _____

5000 3,50 3.60 3.70 3.80 3.90 4.00 59 87 m/z 71.10 63.56% 33 102 — +t tmpp i.।t. i.. ।.... t. miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 Abundance #9227: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 74 ।i।.... (. (A.. ..।.... / 3,50 3.60 3.70 3.80 3.90 4.00 5000 m/z 41.10 31.49% 59 87 69 102 Imput +t Ppgr >. ।.. >. j.... ।. >.. ।.... ।.

NNw ■ ' I ‘1 1 ' I " ' '!' . " I " ' ‘ I miz-> 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 Abundance #9224: Butanoic acid, methyl ester (CAS) $$ Methyl butyrat... 43 A3.50 .... “ I' “ • l * ‘ “ I ’ ’41 3.60 3.70 3.80 3.90 4.00 74 m/z 59.10 27.88%

5000 27 59 87

n/z-> ’’1123111 11133111 69 Hpm TTpar ir Ppnnpr 102 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 A 3.50 3.60 3.70 3.80 3.90 4.00

)0169.D SCAN508.M Fri Jan 25 10:25:58 2002 Page 4

NYC-WTC_000050526

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