GCMS sample AE11576 results, June 6 2002

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Gas chromatography-mass spectrometry analysis report for sample AE11576 detecting unknown compounds and surrogates on June 6, 2002.

NYC-WTC_000015561–000015580

Folder label: “GCMS X 6/4/02 A 6/4/02”

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NYC 9/11 Public Portal Document Library Search Compound. Report Data File C:\MSDCHEM\1\DATA\060402\11576.D Vial: 9 Acq On 4 Jun 2002 10:22 pm Operator: McLean Sample 6/4 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan ** Library : C: \DATABASE\NIST98 . L ********************************************************************* Peak Number 9 Methylene Chloride Concentration Rank 7 R.T. EstConc Area Relative to ISTD R.T.

4.52 0.63 ug/L 425483 1,4-dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 9 2 Propanoic acid, methyl ester 88 C4H802 000554-12-1/4 3 (S)-(+)-3-Hydroxytetrahydrofuran 88 C4H802 086087-23-2 3 4 Propanoic acid, methyl ester 88 C4H802 000554-12-1 3 Abundance Scan 246 (4.525 min): 11576.D (-241) (-) m/z 57.10 100.00% 57 88

41 49 5000

36 4.20 4.40 4.60 4.80 ot nImmmmmpt - 11 ■ ■ “ i ■ “ • m/z 88.05 85.32% m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 40 84 MMtsaMWoL, 5000 1 1 ■ i ‘ ■ ■ ■ i ■ ■ • ‘ 1 1 1 1 1 1 1 ' 1 1 r 4.20 4.40 4.60 4.80 35 m/z 41.05 59.08% 14 28 1 41 70 -HHT niz-> Of 5 10 15 20 25 30 35 40 45 50II55——— 60mmmpmmomupt ■ ■ 111111 ■ “‘I'■ “ |“ 1 ■ |“ 65 70 75 80 85 90 95 Abundance #485: Propanoic acid, methyl ester 29 57 4.20 4.40 4.60 4.80 5000 88 m/z 84.00 54.57% 15

Ot T TTT —24 ,1 39 45 ] 1 •1 ■ i ‘ *1111111 <' • ■ । > 11 , 52 , ______ 73______ L 11!. ■ ■ ■ ।■i.;.. । ■.. ■ । ■... । ■1 +TTTTTTTT niz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #16891: (S)-(+)-3-Hydroxytetrahydrofuran * 1 1 1 * 1 1 * I 1 1 1 l-T TU r i । i i i i । 57 4.20 4.40 4.60 4.80 m/z 49.10 52.14% 5000 31 43 70 88 15 nfe-> 0 —TH 111126 . .... ----- 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ’ ’-1’44414* l-r-p-r-r-ry-r-r-r-TY-r-r-r-r-^^ 4.20 4.40 4.60 4.80

11576.D 060302.M Wed Jun 05 12:29:42 2002 Page 11

NYC-WTC_000015576

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NYC-WTC_000015576Source: NYC Law Department, mirrored locally

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