GCMS analysis report for sample AD26472, Dec 2001

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DEP lab report dated December 4, 2001, documenting GCMS analysis of sample AD26472 noting other unknown compounds.

NYC-WTC_000031611–000031623

Folder label: “GCMS X 11/5/01 A 12/1/01”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\NOV3001\26471.D Vial: 11 Acq On : 30 Nov 2001 9:19 pm Operator: GALOS Sample : gc/ms unknown 11/3 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 2 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 7.86 3.56 ng/uL 1653560 1,4-Dichlorobenzene-d4 11.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, -hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 43 3 2-Pentan e, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 40 4 Acetic acid, cyano-, 1,1-dimethylet 141 C7H11N021 001116-98-9 23 Abundance Scan 329 (7,861 min): 26471 D (-) T m/z 43.00 100.00% 43

59 5000

101 7.60 7.80 8.00 8.20 1 m/z—> -84 10 20 30 40 +53+ 50 60 69 83 I ■ ■ ■ ' i ■ ■ • • I ’ ’ . > । 70 80 90 . 1 I |'i । i । । i 100 110 m/z 59.10 50.60% Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 11 r TJ 16nn[tt111113T ................... _................... 59 7.60 7.80 8.00 8.20 m/z 101.05 18.72% 27 . 101

m/z—> --------------I 10 20 +48+ 30 40 50 60 83 । I • • ■ ■ i ■ • 1 i * « ‘ T r • TT + I 1 TIT I 1 70 80 90 100 110 Abundance #3245: 2-Pentanone, 4-hydroxy-4-methyl- 43 i : If - : i _ । i . । : i [ _ , ,

7.60 7.80 8.00 8.20 5000- 59 m/z 58.10 16.98%

31 83 101 ....................... i l 73 ' ■ I 1 ' 1 ' ' 1 I' ' —T TH 1 1 I ■ ' 1 1 i • i ‘ ' ' i ' TII miz-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43 17.60 7.80 i ■ ■ ■ ■ i ■ ■ ■ ‘ 8.00 8.20 m/z 41.05 7.21% 5000 59

15 31 . 101 I I >' i ■ ' 1 ■ i 1 1 • ■ I' • TTH 1 1 ■ | 83 InnnmgTaDTTT TTPPITTTPT m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.60 7.80 8.00 8.20

26471.D NP112701.M Tue Dec 04 10:44:26 2001 Page 2

NYC-WTC_000031620

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NYC-WTC_000031579

DEP lab report dated December 4, 2001, documenting GCMS analysis of sample AD26433 noting other unknown compounds.

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