GCMS analysis results for sample AE10809, May 2002

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Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000045984–000046005

Folder label: “GCMS X 5/7/02 A 5/15/02”

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NYC 9/11 Public Portal Document Data File : C:\MSDCHEM\l\DATA\051402\10809.D Vial: 19 Acq On : 15 May 2002 5:01 am Operator: Mclean Sample : 5/7 kb 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 2 Ethyl Chloride Concentration Rank 12 R.T. EstConc Area Relative to ISTD R.T. 3.76 0.21 ug/L 257265 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Ethyl Chloride 64 C2H5C1 000075-00-3 3 2 2-Propanone, 1,1-dichloro- 126 C3H4C120 000513-88-2 3 2-Chloroethanol 80 C2H5C10 000107-07-3 4 4 2-Chloroethanol 80 C2H5C10 000107-0743 2 Abundance Scan 115 (3.755 min): 10809.D (-111) (-) m/Z 43.10 Y00.00% 43

5000 49 63 R3 01 37 I....I... 1.91................ —IPPT i i i । i t i । । i i i i । ■ । । i । । । i k i i i i । i f ! i । i i n । । । । > । i । 340 m/z 3 60 49.10 3.80 4.00 27.69% 4.20

m/z-> Abundance 10 20 30 40 50 60

23 70 80 90 100 110 120 130 #107943: Ethyl Chloride "HW/MMkA. 64 5000 1 i ' 1 1 ■ i 1 1 1 1 i 1 1 1 1 I ' 3.40 3.60 3.80 4.00 4.20 49 m/ z 63.00 11.95% 35 15 I ' Il ' ' ll 111 m/z—> 01 - 10 20 4 30 ' I, । 40 ' 50 60 70 80 90 100 110 120 130 ' I 1 ' ' ' I 1 ' ' ' I 1 1 1 1 I ' ' 1 ' I ’ ' ' 1 1 1 '

Abundance #109152: 2-Propanone, 1,1-dichloro- 43 ' 1 i ' 1 1 ■ i 1 1 1 ' i 1 ' 1 1 I 1 1 11 I 1 340 3.60 3.80 4.00 4.20 5000 m/z 83.00 9.09%

27 — 49 55 63 76 83 91 111 126 O+ i r । r- r i -i 7 i r I । l~ [ i i36I'l •] /z-> 10 20 30 40 __ 50 60 70 80 90 100 110 120 130 Abundance #108328: 2-Chloroethanol 1M20i । AAAi 1111 31 340 3.60 3.80 4.00 4.20 m/z 84.90 8.68% 5000 44

m/z-> 0 37.40 „51.5763 11'1 ■11 111 ■ ।1 10 20 30 50 60 70 8° Il I I t > t I I I I I I rI II[T 1 1 'T1 ■ 1 ■ ।''1 ■ । 1 1 1 1 । 1 80 90 100 110 120 ' ' । 1111 130 l 3.40 3 60 3.80 4.00 4.201

10809.D 050102.M Thu May 16 12:37:22 2002 Page 6

NYC-WTC_000045994

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