GCMS analysis results for sample AD31248, Feb 25, 2002

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Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AD31248 conducted on February 25, 2002.

NYC-WTC_000016392–000016406

Folder label: “GCMS X 12/24/01 A 1/9/02 2/15/02”

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NYC 9/11 Public Portal Document

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Data File : C: \HPCHEM\ 1 \DATA\JANO 802\31248.D Vial: 13 Acq On : 10 Jan 2002 1:30 am Operator: 209 GALOS Sample : gems scan 12/24 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 3-Pentanol, 3-methyl- Concentration Rank 1

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

7.47 3.21 ug/1 874639 1,4-Diehlorobenzene -d4 11.53

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 3 -Pent anol, /3-methyl - 102 C6H140 000077-74-7 36 2 Silane, tetramethyl- 88 C4H12Si 000075-76-3 9 3 Butane, 2-methoxy- 2-methyl - 102 C6H140 000994-05-8 9 4 Pentane, /3 -methoxy- 102 C6H140 036839-67-5 9 Abundance Scan 264 (7.465 min): 31248.D (-) m/z 73.00 100.00% 73

5000 43

7.20 7.40 7.60 7.80 38 |, | i 50 55 , 67, । .' • ■ i ■ • 87 1?3 । ■ 0- r i | i , i i | i i i i | i i | 1‘i‘Hi'i ri i >'i । ■ ■ • ■ । m/z 43.00 34.02% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63572:3-Pentanol, 3-methyl- 73

5000 ‘ 1 ' ' I ■ ' 1 1 | ‘ l ■ - ni j . . . .

55 7.20 7.40 7.60 7.80 45 87 m/z 44.95 12.06% 27 i 1 1 i 1 ' • ■ i ■ • ■'■'I ' ' ‘ ‘ । ‘ 1 ‘ • i 1 *'■ * 11*1* m/z->______ 10 20___ 30 _ 40 50 60 70 80 90 100 110 Abundance #62932: Silane, tetramethvi- 73 -in . . । . t .। , ,TtICCFm 7.20 7.40 7.60 7.80 5000 m/z 41.05; 11.76%

45 15 53 59 88 ■ i • * * • i ■ । . i ■ * । * i ■ ■ i ■ ■ ■ • । ■ I1 ' i ■ । . . . . ] . . . . । . . . . ) . m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1761: Butane, 2-methoxy-2-methyl- —rr Palimpeii TITPPm 73 7.20 7.40 7.60 7.80 m/z 71.00 6.89% 5000 55 87 45 27 33 1 1 ' ' । । । । ■ ■ i■ ■ ■ 1 i ■ ■ 1 ■ i ■ "" । । ,i । ■ 1 ■ ■ । ■ 1 । ■ ■ ■ ■ i ■ ■ ■ ■ i ■ m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.20 7.40 7.60 7.80

31248.D GCMS0103.M Wed Feb 06 11:18:20 2002 Page 1

NYC-WTC_000016399

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NYC-WTC_000016399Source: NYC Law Department, mirrored locally

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NYC-WTC_000016480

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