GCMS analysis results for sample AE10136, May 2002

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Laboratory report documenting GCMS analysis of sample AE10136 conducted on May 17, 2002, including surrogate recovery data.

NYC-WTC_000046203–000046212

Folder label: “GCMS X 5/7/02 A 5/14/02”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\020513\10136.D Vial: 22 Acq On : 14 May 2002 9:21 am Operator: Nefliu Sample : sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: rteint.e

Quant Method : C: \MSDCHEM\1\METHODS\SCAN020507 .M (RTE Integrator) Title : Method 508 GC/MS Scan Library : C:\DATABASE\nist98.1

Peak Number 2 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 6.15 16.69 ug/1 1349710 1,4-Dichlorobenzene-d4 11.38 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 64 2 2 -Pentanone , 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 59 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 38 4 2-Propanol, 2-methyl- 74 C4H10O 000075-65-0 25 Abundance/ Scan 523 (6.152 min): 10136.D (-512) (-) m/ z 43.10 100.00% 43

59 5000

101 . 64 69 83 | 580 6.00 6.20 6.40______ ............................ . 53 . i ■ । । 111’ onknn 1 । 1 1 • n_| ■ 1 r i ' * ' 1 । 1 1 1 1 i 1 m/z 59.10 53.32% /z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 । i [ । । । i l । 1 । । । । i | i r i i TT 580 6.00 6.20 6.40______ 59 m/z 58.10 18.70% . 101 ........... 2732 38,1 +48,53, । l > ■ - • । ' 1 I 1 1 1 1 | 1 । । 1 | r I I I | I 67 72 77 83 91 96, | ■ i ■ ■ ■ > i • > > । ■ I' ■ । 1 < I > m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43 L ■1 '‘l 1 1 1 1 I ■ ' 1 ' IOO-FTTT"n 580 6.00 6.20 6.40______ 5000 m/z 101.10 17.72% 59

15 31 101 ............. 26,1 , 38 , 53 , 83 , I ■ i । । n i । n r r j 1 । i r11 i-i i । " ।■ I IuumBmTTTTT m/z--> 10 20 30 40 50 60 70 80 90 100 110 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5 80 6.00 6.20 6.40 m/ z 41.10 7.89% 5000 59

62 93 101 — m/z-> . 10.... 20129,31.38,1 30 40 ......... ‘I 50 60 70 80 83 90 । 100 110 TTTTTTTT 5.80 6.00 6.20 6.40

10136.D SCAN020507.M Wed May 15 08:32:17 2002 Page 4

NYC-WTC_000046210

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GCMS analysis results, sample AE10135, May 2002 · Box DEP Box 25

NYC-WTC_000046192

Gas chromatography-mass spectrometry analysis of sample AE10135 performed May 17, 2002, detecting unknown compounds and 2,4-DDD surrogate at 96% recovery.

1 shared topics · Same agency, volume and box · similarity 0.997