GCMS analysis results for sample AE09336, May 2002

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Laboratory report documenting GCMS analysis of sample AE09336 conducted on May 8, 2002.

NYC-WTC_000044708–000044722

Folder label: “GCMS X 4/29/02 A 5/3/02”

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NYC 9/11 Public Portal Document

Data File C:\MSDCHEM\l\DATA\050202\9336.D Vial: 14 Acq On 2 May 2002 10:16 pm Operator: Mclean Sample 4/29 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 1 Methylene Chloride Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T. 3.74 0.24 ug/L 184308 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 64 2 Methylene Chloride 84 CH2C12 000075-09-2 64 3 Methylene Chloride 84 CH2C12 000075-09-2 64 4 Methylene Chloride 84 CH2C12 000075-09-2 35 Abundance Scan 112 (3.737 min): 9336. D (-97) (-) m/z 49.10 100.00%

5000 49

84 w../us 35 I l—I Vl ‘ ' I I I I I j I I I I I I I I I ]—■ 3942 3.40 3.60 3.80 4.00 ‘ 0——011T‘TTTTC‘OTTTTTTTTTTTr | I | I I | | | i I | — +4+4 i | ■ I 88 T I i-i i । I । i r I i I i < I I I I I I TIT I I > I I m/z 84.00 58.37% mfe-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #12327: Methylene Chloride 49 .Fny.. 84 5000 3.40 3.60 3.80 4.00 m/z 86.00 43.09%

ti/z—> Abundance rrp-T 5 14 18 24 2831 353841 | ■ I I I 1 I I I I 1 1 [ 1 1 I > I I I I I I I > I 1 I I I I > I I I I I I I I I

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111041: Methylene Chloride +2. r'" i 70 IT’ ....... . lilipe.... 88 MaZ""nn 49 I I I I I I I I ■ I ' I I I I I I ] I I I I I

84 3.40 3.60 3.80 4.00 5000 m/z 35.10. 20.61%

46 2629 41 | 52 59 65 73 77 88 "|“ rl । । । । । । । । । N L 1 ■ 11 - ■ ■ ■i.■■ ■ i ■ ■ । ।।■ 11 ■ ■ ■ 11" ■■।1111 p I I " 11 " I'r" I' i1" 11" 1111'1 /z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride TId 49 3.40 3.60 3.80 4.00 84 m/ z 51.10 20.24%

5000

35 ploayyy/""M—y 88

n/z—> 14 14 ■ 1 I 1 > ■ r I I I I I I I I I 2528 32 — I I > I t ■ I I I I I I I I I I 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3841 I I I I I ! I 52 1111" r 1111 70 -rp-TT-rp-rrTp-rr T-p-r

3.40 3.60 3.80 4.00

9336.D 050102.M Tue May 07 12:07:23 2002 Page 4

NYC-WTC_000044716

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