GCMS analysis results for sample AE06340, May 3 2002

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Gas chromatography-mass spectrometry analysis report for sample AE06340, conducted May 3, 2002, identifying other unknown compounds.

NYC-WTC_000044526–000044540

Folder label: “GCMS X 4/29/02 A 5/1/02”

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Data File C:\MSDCHEM\1\DATA\050102\6340.D Vial: 16 Acq On 1 May 2002 9:55 pm Operator: Mclean Sample re-ext 4/29 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 1 Methylene Chloride Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T.

3.74 0.20 ug/L 130580 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Methylene Chloride 84 CH2C12 000075-09-2 43, 2 Methylene Chloride 84 CH2C12 000075-09-2 A3 3 Methylene Chloride 84 CH2C12 000075-09-243 4 Methylene Chloride 84 CH2C12 000075-09-2 32 Abundance Scan 113 (3.743 min): 6340.D (-102) (-) m z 40.10 00.00% 40

49 5000 35 84 43 88 1 ' i ■ 1 ■ 1 i ■ ■ 1 1 i 1 ■ ‘ 1 i 1 ' ■ 1 i ■

3.40 3.60 3.80 4.00 I j I i I i | i i r i | i I ' i i'll i I | i i 11ut ■ I''111'' " I " " I T-p-T m/z 49.10 56.08% m/z-> Abundance 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111039: Methylene Chloride 49 “huad,/"ww 84 5000 ■ ■ i ■ • ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i • ■ ■ ■ i ■

3.40 3.60 3.80 4.00 m/z 35.10 47.33%

m/z-> 1-rrp- 5 ,52 57 TDIttr 2831 3538 43 67 71 77 |' > I • 1111 ■ 111 I I I > I I I I I I I I I I llj> I I I I I I I ■ I I I I 1,1 I I I I > i " " r " ' r " ' I'11 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 88 bld. Abundance #12327: Methylene Chloride 49 84 n ill ii in ■ I

3.40 i i l i

360 I I i

3.80 I i । । I

4.00 p | r IT l

5000 m/z 51.10 39.23%

88 #May,aw/MMMmwv m/z-> 5 14 18 24 2831 353841 I" " 111111 " " I " " I" " I " " 11" 1P1 " I' 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 +2 ।1" > । । 70 11" TTH P' ।....

Abundance #111040: Methylene Chloride ■ ■ i > ■ ■ ■ i ■ ■ ■ ■ । ■ ■ ■ ■ । ■ 1 1 । I 1 49 3.40 3.60 3.80 4.00 84 m/z 84.00 39.23%

5000 "ywnyhu 35 88 ■ • । ■ ■ ■ • । 14 2528 32 '111" " i11'11 ■1 ’11 ■'1 841—— +2 i "1' r 1" i 70 1’ i *1 ’11 —PT ■ r i ■ 1 1 1 । 1 1 1 ' । ■ 1 । 1 1 1 1 i 1 m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

6340.D 050102.M Thu May 02 12:25:06 2002 Page 4

NYC-WTC_000044533

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NYC-WTC_000044533Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE06339, May 3 2002 · Box DEP Box 25

NYC-WTC_000044510

Report listing other unknown compounds and surrogate recovery data from GCMS analysis conducted on May 3 2002.

1 shared topics · Same agency, volume and box · similarity 0.997