GCMS analysis results for sample AE12474, June 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12474 conducted on June 4, 2002.

NYC-WTC_000014102–000014124

Folder label: “GCMS X 5/24/02 A 5/28/02”

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NYC 9/11 Public Portal Document ULJLCLX oeaiuu wupou KCPOL L

Data File : C:\MSDCHEM\l\DATA\052802\12474.D vial: 12 Acq On : 28 May 2002 11:15 pm Operator: McLean Sample : 5/24 ad 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 *‘e*

Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 5.93 10.09 ug/L 6198760 1,4 -Dichlorobenzene-d4 9.90

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2(86 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-278 3 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 4 Acetone 58 C3H60 000067-64-1 32 Abundance Scan 485 (5.929 min): 12474.D (-480) (-) m/z 43.10 100.00%| 43

5000 59 101 1 ■ ।• i11111 11111111 5.60 5.80 6.00 6.20 |

niz-> 01 --374 +53+ 67 10 20 30 40 50 60 70 83 , | 125 I ■ • • ■ i ■ ■ ■ ■ i 1 ■ ■ ■ i ■ ‘ ■ 11 1 ■ ■ ■ i ■ ‘ ■ ■ i ‘ ■ ■ ■ i' 80 90 100 110 120 130 m/z 59.10 33.60% Abundance #109755: 2-Pentanone, 4-hydroxy-4-methyl- 43

■ 'i . y . 5000 59 5.60 5.80 6.00 6.20 15 101 m/z 58.10 21.72% . 31 — 01 L I 25u41, 37 +53+ Tr ' ' 1 1 1 1 1 T I 83 1 1 1 1 ■1 111 ■ ■ ■ i1 ■ ■' i ■ ‘ • i ■ ■

mfz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 1 1 1 1 1 1 ' "T i I —mkpTTT 5.60 5.80 6.00 6.20 5000 m/z 101.10 13.35% 59 101 27 37 53 67 77 83.91 , —L . ,, ,, — 04 -PPM44 + 60 ‘ 70 80 90 ' 100 110 120 130 niz-> 10 20 30 40 50 Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- _' 1___ _________ _ i ' ■ ' ■ i ' ■ ‘ ■ i ■ ‘ ' 1 I 40 5.60 5.80 6.00 6.20 m/z 41.15 5.96%

5000 59

. 25,31 1137,1‘ 1 11 ■ !" ''I 93 — 93 101 /z—> 0- ।111111111 । ‘ 10 20 r1 30 t 40 50 83 90 | I ■ ■ ■ ■ i ■ ■''i11■•i■”‘111 ‘ ‘ ■ i ■ • ■ ■ i ■ ■ ■ ■ i ■ ■

60 70 80 100 110 120 130 5.60 5.80 6.00 *620707

12474.D 052202.M Thu May 30 10:43:00 2002 Page 13

NYC-WTC_000014119

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GCMS analysis results for sample AE12472, June 2002 · Box DEP Box 15

NYC-WTC_000014054

Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12472 conducted on June 4, 2002.

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