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← Document results/DEP Box 25/GCMS X 4/25/02 A 5/7/02
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GCMS analysis results, sample AE09971, May 2002

Machine-extracted title · confidence 100%

Laboratory report for sample AE09971 showing surrogate recovery and unknown compounds from May 9, 2002.

NYC-WTC_000044071–000044093

Folder label: “GCMS X 4/25/02 A 5/7/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File C:\MSDCHEM\1\DATA\050602\9977.D Vial : 19 Acq On 7 May 2002 2:22 am Operator: Mclean Sample 4/25 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 5 3-Penten-2-one, 4-methyl- Concentration Rank 9

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

5.02 0.27 ug/L 182600 1,4-Dichlorobenzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 72 2 2-Pentene, 3,4-dimethyl-, (E)- 98 C7H14 004914-92-5 3 3-Penten-2-one, 4-methyl- 98 C6H10O 000141-79-7 72 4 3-Penten-2-one, 4-methyl-________________ 98 C6H10O 000141-7 -7 72 Abundance Scan 330 (5.018 min): 9977. D (-325) (-) m/z 83.10 100.00% 56 83

5000 43 98 A 144, A. 49

m/z-> I I “l —1—I

10 I I

20 I I I I I

30 I 35 I P

40 IT I 50 +L ------------ — 60 70 80 90 100 4.60 m/z 4.80 55.10 5.00 5.20 94.19% 5.40

Abundance #116450: 3-Penten-2-one, 4-methyl- 55 83

98 43 5000 28 J il l * I I I r I 1 I I I I I I I I ■ i 1 1 4.60 4.80 5.00 5.20 5.40 m/ z 98.00 45.76%

Tl/z-> 1 1 i ' 1 10 । । । । । 20 30 । । । । —H 36 । 40 , 50,1, 50 , 60 67 l

70 • । ■ ■ ■ ■ । ■ ■ ■ ■ ■ ।

80 1 ' 1 1 1 1 1 90 100 I 1 1

Abundance #32908: 2-Pentene, 3,4-dimethyl-, (E)- 55 83

41 4.60 4.80 5.00 5.20 5.40 5000 m/z 43.10 40.80% 27 98 15 69

n/z-> -L +136H|, , 5I,1 I, 63 I, 10 20 30 40 60 50 Ti 70 80 l 0 tdb I 77 —91 I■ I ■I I 90 100 i 1 1

Abundance #111648: 3-Penten-2-one, 4-methyl- 55 83 4.60 4.80 5.00 5.20 5.40 43 m/z 39.10 31.01%

5000 29 98 11 438 । —+50++। | 1 ■ i 62 67 72 77 ■ ■ ■ ■ ■ i ■ ■ ■ ■' । 1 ! , -92. /z-> 10 20 30 40 50 60 70 80 90 100 4.60 4.80 5.00 5.20 5.40

9977.D 050102.M Tue May 07 15:54:23 2002 Page 9

NYC-WTC_000044084

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GCMS analysis results, sample AE09968, May 2002 · Box DEP Box 25

NYC-WTC_000043938

Gas chromatography-mass spectrometry analysis report for sample AE09968, detecting unknown compounds and 2,4-DDD surrogate with 78% recovery, dated May 9, 2002.

1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997

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