GCMS analysis results for sample AE12474, June 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12474 conducted on June 4, 2002.

NYC-WTC_000014102–000014124

Folder label: “GCMS X 5/24/02 A 5/28/02”

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NYC 9/11 Public Portal Document Library searen compound Keporc

Data File : C:\MSDCHEM\l\DATA\052802\12474.D Vial: 12 Acq On : 28 May 2002 11:15 pm Operator: McLean Sample : 5/24 ad 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 1 Methylene Chloride Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 3.71 2.16 ug/L 1328650 1,4 -Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 91 2 Methylene Chloride 84 CH2C12 000075-09-2 91 3 Methylene Chloride 84 CH2C12 000075-09-2 90 4 Methylene Chloride 84 CH2C12 000075-09-2 87 Abundance Scan 108 (3.714 min): 12474.D (-92) (-) m/z 49.10 100. 0% 49 84

5000

■ ■ 1 i ■ ■ ‘ ■ i ■ ■ ■ ■ i ■ ■ ' ■ i ■ ■ ■ ■ i 35 42 88 3.40 3.60 3.80 4.00 ol nyasyamgogaggaeegmul | ,., । > 58 mm 11. । > > ii 1111> । n. 11 > 1111111 m/z 84.0.0 83.75% mfz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111039: Methylene Chloride 49 84 5000 1 ■ 1 । ■ 1 1 ■ i ■ ■ ■ ■ i 1 ■ 1 1 i 1 1 1 1 i 3.40 3.60 3.80 4.00

niz-> Abundance 5 2831 3538 43 01 n 111111 m-i 11 > H 111 >, 1111111 n 111111111111 > ,12 57 67 71 77 . — TtammTmmH 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 #111040: Methylene Chloride 49 88

"DPtRC 84 ‘ 3.40 3.60 3.80 4.00 ‘ 1 5000 m/z 51.10 33.88% 35 14 88

iz—> 2528 32 3841 01 —HHpTPPTPTHm ■ i1 “ • i ■ ■■ ■ i 70 Mprt 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 2 Imp Abundance #12327: Methylene Chloride 49 3.40 3.60 3.80 4.00 84 m/z 47.10 18.43% 5000

88 a 14 18 24 2831 353841 152 70 0 nmWPITTPTTTTTT TTuuamenmmmmpmptt t ’ I' ’' * I ’11 ■ ■ i * ■ ■ • । ■111 ■11 ■ ।111 ■ i n/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

12474.D 052202.M Thu May 30 10:42:58 2002 Page 4

NYC-WTC_000014110

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GCMS analysis results for sample AE12472, June 2002 · Box DEP Box 15

NYC-WTC_000014054

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12472 conducted on June 4, 2002.

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