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GCMS sample analysis results, AE11902, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11902.

NYC-WTC_000012881–000012907

Folder label: “GCMS X 5-21-02 A 5-22-02

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11902.D Vial: 9 Acq On : 22 May 2002 8:20 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e 2*.* Quant Method : C: \MS,DCHEM\1\METHODS\050102 .M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 12 1-Propene, l-methoxy-2-methyl- Concentration Rank 13 R.T. EstConc Area Relative to ISTD R.T. 4.90 0.78 ug/L 504714 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 1-Propene, 1-methoxy-2-methyl- 86 C5H10O 017574-84-4 14 2 Acetaldehyde, ethylhydrazone 86 C4H10N2 020487-02-9/9 3 cis-1-Methoxy-l-butene 86 C5H10O 1000139-42/2 9 4 trans-1-Methoxy-l-butene 86 C5H10O 1000139-42-3 9 Abundance Scan 310 (4.901 min): 11902.D (-303) (-) m/z 43.10 100.00% 43

5000 39 71

86 MMMsauWyuaaM 55 59 35 82 4750 4.60 4.80 5.00 5.20

niz-> 01 nmmmmp- ■ ■ ■ i ■1 “ i ‘ 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Hmo 4 m/z 41.10 85.71% Abundance #114488:1-Propene, 1-methoxy-2-methyl- 41 71

86 5000 27 55 4.60 4.80 5.00 5.20 m/z 71.10 77.59% 15 — 12+ 3 18 ,31 31 3, । 45 511, , 59 mpa 38 Hpmm 5 10 15 20 25 30 35 40 45 50 55 60 65 70+001] 0+ ti 1111in11 I 11111111!11H1,1111111H+tt1111 miz-> 75 80 85 90 95 Abundance #24223: Acetaldehyde, ethylhydrazone 30 71 . ......... |l|_____ 86 4.60 4.80 5.00 5.20 5000 42 m/z 86.00 50.42% 27 57 Of 1 ■ | , I | I I | I I IT | I I I I | I tl m bapannspunni] —mpe Tt/Z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #24283: cis-1-Methoxy-1 -butene 41 71 4.60 4.80 5.00 5.20 m/z 69.10 49.16%

5000 86 27 1518 AE 55 iz—> 0- — 2.Lll IH 14504458, TIT — PPp 31 3J 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 ’1* •* 111*1 4.60 4.80 5.00 5.20

11902.D 052202.M Tue May 28 12:06:44 2002 Page 15

NYC-WTC_000012900

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NYC-WTC_000012900Source: NYC Law Department, mirrored locally

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