GCMS unknowns analysis results for sample AD27873, Jan 2002

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

NYC-WTC_000034032–000034045

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\1\DATA\DEC1901\27873.D vial: 5 Acq On : 20 Dec 2001 7:48 pm Operator: GALOS Sample : gems unknown 11/20 Inst : GC/MS Ins Misc : 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.

7.84 2.88 ng/uL 1162900 1,4-Dichlorobenzene-d4 11.86

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, /hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 2 2-Pentanone, 4 -hydroxy-4-methyl- 116 C6H1202 000123-42-2 53 3 2 - Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 43 4 Acetic acid. 1,1-dimethylethyl este 116 C6H12O2 000540-88-5 28

I Abundance Scan 327 (7.840 min): 27873.D (-) m/z 43. 100.00% 413

59 5000

101 7.40 7.60 7.80 8.00 8.20 ....................... 38 +53+ TT T 69 . . i . . . . i . . . . i > ■ ■ ■ । < 83 , I „ TIl . > . T IT T— m/z 59.10 51.42% miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.40 7.60 7.80 8.00 8.20 m/z 101.05 18.58% 15 31 83 101 T"11"/-"T .... । > . . . I" < . ■ l . ■ » ' i ■ ' * ■ i ■ ■ ' ' i ‘ ■ i ■ ■ ■ 1 i • ' 1 ' i ■ miz—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274; 2-Pentanone, 4-hydroxy-4-methyl- 43 i • ■ ’ • i ■ 7.40 7.60 7.80 8.00 8.20

I 5000 m/z 58. 15.59% 59

27 ; .. 101 I . 49 83 I > ‘ । I ' 1 1 1 I 1 1 1 1 I ' 1 ‘ i . l • 1 • • t • > « . i .' < . • i • > . • i < • • < i ■ m/z- 10 20 30 40 50 60 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- I । । । H ‘ 4 I 1 1 • 1 I 1 ' 43 7.40 7.60 7.80 8.00 8.20 m/z 41.10 7.55% 5000 59

। I 31 I ‘ 1 1 1 1 1 1 ‘ 1 1 ■ T+ i 4 IH ' 73 os 83 . 101| ' TT ■ ' ' ' I ' • ' ' T‘ ‘ ‘ M 1..TT..T13 —0 m/z-> 10 20 30 40 50 60 70 80 90 100 110 7.40 7.60 7.80 8.00 8.20

27873.D NP112701.M Fri Dec 21 09:57:29 2001 Page 5

NYC-WTC_000034044

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GCMS unknowns analysis results for sample AD27872, Jan 2002 · Box DEP Box 22

NYC-WTC_000034018

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

1 shared topics · Same agency, volume and box · similarity 0.999