GCMS unknowns analysis results for sample AD27872, Jan 2002

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Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD27872 conducted on January 2, 2002.

NYC-WTC_000034018–000034031

Folder label: “GCMS X 11/20/01 A 12/20/01”

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\HPCHEM\l\DATA\DEC1901\27872.D Vial: 4 Acq On : 20 Dec 2001 6:53 pm Operator: GALOS Sample : gems unknown 11/20 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method : C:\HPCHEM\1\METHODS\NP112701.M (RTE Integrator) Title : 208 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1

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

7.83 2.97 ng/uL 1015560 1,4-Dichlorobenzene-d4 11.86

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4 - hydroxy-4 -methyl - 116 C6H1202 000123-42-2 36 2 Acetic acid, 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28 3 Morpholine, 4-methyl- 101 C5H11NO 000109-02-4 9 4 3 -Hydroxy- 2 -pentanone 102 C5H10O2 003142-66-3 9 Abundance Scan 326 (7.831 min): 27872.D (-) m/z 43.10 100.00% 43

5000 59

101 I 1 ' 1 ' I • ' 7.40 7.60 7.80 W 8.00 8.20 TT——nnmTTTTTTT +53+ -11 ..................... 38, 1 83 i । , । > m/z 59.10 49.63% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 ■ i ■ • ■ • I ■ ■ 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 17.57% 27 101 83 ■ । । । । । । TTuur ]'। । । । । I 1 1 49 1 1 1 i i ■ ■ • ■ । ■ • ■ » । ■ ■ • ■ • । • ■ ■ • । • ■ • • । ■ m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance $3292: Acotic acid, 1,1-dimethylethyl ester 43 I ’ ' » j 1 * 1 I ‘ 1 * ‘ I ' ' 7.40 7.60 7.80 8.00 8.20 5000 57. m/ z 58.1,0 14.87% 101 15 27 TTIB——nTTTTTTTTT — ■ • i • • ■ • i ■ ■ • ■ i ■ ■ • ■ i ■ • ■ • i • m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1640: Morpholine, 4-methyl- 4 7.40 17.60 7.80 8.00 8.20 ............................................. m/z 41.10 7.76% 5000 101 15 71 1 27 56 1 miz-> ' ■ i ' 1 1 ' I 1 10 20 ' 1 30—.'.—40 ——150—60etanna901/1 70 80 90 100 —1P, 1144, PTPTr 110 7.40 7.60 7.80 8.00 8.20 ...

27872.D NP112701.M Fri Dec 21 09:56:57 2001 Page 5

NYC-WTC_000034030

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GCMS unknowns analysis results for sample AD27873, Jan 2002 · Box DEP Box 22

NYC-WTC_000034032

Laboratory report documenting GCMS analysis for unknown compounds and surrogate recovery in sample AD27873 conducted on January 2, 2002.

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