GCMS analysis results for unknown compounds, June 2002

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Laboratory report documenting GCMS analysis of sample AE12735 with surrogate recovery data and identification of unknown compounds.

NYC-WTC_000015200–000015223

Folder label: “GCMS X 6/3/02 A 6/7/02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File C:\MSDCHEM\1\DATA\060702\12736.D Vial: 12 Acq On 7 Jun 2002 5:32 pm Operator: Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 9 2-Pentanone, 4-hydroxy-4-me... Concentration Rank 6 R.T. EstConc Area Relative to ISTD R.T. 5.95 0.59 ug/L 410470 1,4-dichlorobenzene-d4 9.89 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 000123-42-2/40 3 Acetic acid, 1,1-dimethylethyl e... 116 C6H12O2 000540-88-5 36 4 Acetone_______ 58 C3H60 000067-64-1 32 Abundance Scan 489 (5.952 min): 12736.D (-482) (-) m/z 43.05 100.00% 43

5000 59 101 5.60 5.80 6.00 6.20 0 37 . 4 48 A m/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 86 ■ ■ i ■ ■ ■ ■ i" ■' i ■ ■ ■ ■ i ■ ■'111 ■ ■ ■ i''" i ■ m/z 59.10 26.26% Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 - 5.60 5.80 6.00 6.20 59 m/z 58.10 25.57% 101 ....... 67 72 77 83 .48 53, 91 96, |______ 0 11 ■ ■" | M" |1» l1"' i" " i “ " i'1" r'111 ■' ■ ■ i ‘1'' i" 1' i11" i'" ■ i'' n/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75. 80 85 90 95 100 105110 __ Abundance #109756:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 AA,,6.20, —, 5000 m/z 101.00 13.00% 59

31 . 101 83 93 । 0- ......... .............. . +mH 1 ■ ■ > ■ i ■ • ■ • । • ■ ■ • । • > • • । < i. ।.... ].. >111 > 111111111 > i' j n/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105110 — Abundance #109591: Acetic acid, 1,1 -dimethylethyl ester • * । * i * 43 5.60 5.806.00 6.201''11 m/z 42.10 6.65% 57 5000

0 -3+4 Hmt 1Nhmg 73 89 101 nrlih n/z—> 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105110 5.60 5.80 6.00 6.20_____

12736.D 060302.M Mon Jun 10 11:23:26 2002 Page 12

NYC-WTC_000015216

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GCMS analysis results for unknown compounds, June 2002 · Box DEP Box 15

NYC-WTC_000015253

Laboratory report documenting GCMS analysis of sample AE12737 with surrogate recovery data and identification of unknown compounds.

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