GCMS analysis results, sample AE12478, June 2002

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Laboratory report showing GCMS analysis results for sample AE12478 including surrogate recovery data on June 10, 2002.

NYC-WTC_000014460–000014484

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\1\DATA\052902\12478.D Vial: 20 Acq On : 30 May 2002 1:34 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 5 Methylene Chloride Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T. 3.88 0.96 ug/L 680175 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Methylene Chloride 84 CH2C12 000075-09-2 39 2 Ethyl Chloride 64 C2H5C1 000075-00-3/9 3 Methylene Chloride 84 CH2C12 000075-09-2 4 4 2-Chloroethanol 80 C2H5C10 000107-077-3 4 Abundance Scan 137 (3.884 min): 12478.D (-135) (-) m/z 49.10 /100.00% 40

5000 * 88 8285 35 **’I****}***’’14***

mlz-> 0 5 i■■••i‘ ■ i' “' i ■■1 ■ । mJ 43 m--+ ■i■ ■“ i ■• m/z 3.60 3.80 88.00 4.00 4.20 42.42%

Ayyp 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #111040: Methylene Chloride 40 84

5000i • ■■ ■ ■ i ‘ ■ i ■ ■ 1 ■ i ‘ 1 ■ ■ i ■ ■ * ■ 3.60 3.80 4.00 4.20 35 m/z 81.90 33.81% 14 2528 32 2841 | 152 70 88 0! 1 . | . H . ।. I 111.... ।.. .. । .. I . ,. I .. I T1 . । I I .. 11 I |Fl 11 | 11 | 1111 > > । ii > > [ 11 > > ।.... ।.. 1 । 1111111 1 111 Tl/Z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #107943: Ethyl Chloride

AL 3.60 3.80 AQAAMAAMAMAA 4.00 4.20 64 m/z 84.95 29.92% 5000

niz-> Abundance 0+ 5 AIF 1215 TT 31 38 35 25 . 49 60 7...... . in.. IltTl!.,.. । .11 lit >।। 111 i1 •1 ■ ।1 ■ ■' । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ ■ ■ ■ । ■ ■1 • i ■ ■ 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 waM"MM(Miu #12327: Methylene Chloride 40 3.60 3.80 4.00 4.20 84 m/z 50.00 24.59% 5000

14 18 24 2831 353841 || 88 0 TmmuhamTTHtt 152 Tp-rrrp-rrrp-TTTTr^^ 70 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.60 3.80 4.00 4.20

12478.D 052202.M. Mon Jun 03 11:40:32 2002 Page 8

NYC-WTC_000014472

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NYC-WTC_000014433

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

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