GCMS analysis results, sample AE12533, June 2002

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Laboratory report showing GCMS analysis results for sample AE12533 including surrogate recovery data on June 10, 2002.

NYC-WTC_000014552–000014577

Folder label: “GCMS X 5/28/02 A 5/29/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052902\12533.D Vial: 24 Acq On : 30 May 2002 4:49 am Operator: McLean Sample : gc/ms scan 5/28 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 12 Methylene Chloride Concentration Rank 17 R.T. EstConc Area Relative to ISTD R.T. 4.34 0.25 ug/L 199715 1,4-Dichlorobenzene-d4 9.90 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 45 2 Methylene Chloride 84 CH2C12 000075-09-2/9 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 3-Pentanone 86 C5H10O 000096-22-0 4 Abundance Scan 214 (4.337 min): 12533.D (-212) (-) m/z 86.00 /100.00% 49 85

5000

4144 58 ■ ■ i ■ 1 ■ 1 i ■ ■ ■ ■ i ■ ■ ■ • i ■ ■ ' ■ i 4.00 4.20 4.40 4.60 04TTpg TH -PTPTTTH 37 1 8 m/z 49.10 95.67% mfz~> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111041: Methylene Chloride 49

84 5000 • 1 i ■ ■ ■ ■ i 1 1 1 1 i 1 ' 1 1 i 1 1 1 1 r 4.00 4.20 4.40 4.60 46 m/z 84.00 43.62% 2629 41 152 59 65 73 77 88 O+ m 1“ “ I “ “ I TmHtt Tuuumnptgmmmt Hmm n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #12327: Methylene Chloride 49 ■ ' ' I ' ‘ 1 1 I ‘ ‘ ‘ I ' ' ' ‘ I ' ‘ ■ I 84 4.00 4.20 4.40 4.60 5000 m/z 51.10 42.37% ... 14 18 24 2831 353841 || 152 O . 11...11111111 > । > ।,...jj 11,,, 111111 ii111111 70, 1188 11111 > 1111 I ■ mlz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride ■ ‘ i ■ ■ ■ ■ i ■ ■ ■ ■ i ' ■ ■ ' i • ■ • ■ । 49 4.00 4.20 4.40 4.60 84 m/z 44.05 18.68% 5000

35 14 2528 32 3841 | 88 70 0 mpHmmpn । 11 1i11111 I III 1111111 I 12 TIUIIm—uuronmpot T - 1 ■ । ■ ■ ■ ■ । ‘ ' 1 ■ i' ■ • ■ । ‘ ‘ 1 ■ । miz—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 4.00 4.20 4.40 4.60

12533.D 052202.M Mon Jun 03 11:45:34 2002 Page 15

NYC-WTC_000014571

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NYC-WTC_000014571Source: NYC Law Department, mirrored locally

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GCMS analysis results, sample AE12477, June 2002 · Box DEP Box 15

NYC-WTC_000014433

Laboratory report showing GCMS analysis results for sample AE12477 including surrogate recovery data on June 10, 2002.

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