GCMS unknowns report, DEP Box 15, June 2002

NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\l\DATA\MAY2902\12164.D Vial: 7 Acq On : 29 May 2002 5:14 pm Operator: Morgan Sample : gc/ms scan 5/23 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0528.M (RTE Integrator) Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 1 2-Pentanone, 4-hydroxy-4-methy Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T.

8.04 15.08 ug/1 1266550 1,4-Dichlorobenzene-d4 12.07

Hit# of 5 Tentative ID MW MolForm CAS# Qual l 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 45 2 Acetic acid, cyano-, 1,1-dimethylet 141 C7H11N02 001116-98-9 23 3 5-Hexen- 2-one 98 C6H10O 000109-49-9 9 4 3-Hydroxy-2-pentanone____________ 102 C5H10O2 003142-66-3 9 Abundance Scan 327 (8.044 min): 12164.D (-) m/z 42.95 100.00% 43 59 5000

101 7.80 8.00 8.20 8.40

niz-> 0- -374 10 20 30 40 +53+ 50 .69. 83.. ,....... 60 70 80 90 100 110 120 130 I ■ ■ ■ ■ i ■ • ' ■ i ‘ ■ • 1 i ‘ ‘ 1 i 1 1 ' ‘ i ' ' ■ ' i ■ ■ ' ' i ■ • m/z 59.00 51.57% Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.80 8.00 8.20 8.40 m/z 101.05 18.54% 27 , 101 miz-s 10 I I 20 30 TH +49+ 83 I । 40 50 60 ' ' 70 ' ' 80 ' 90 "l6o' 110 120 130 Abundance #7666: Acetic acid, cyano-, 1,1-dimethylethyl ester 59 ' ‘ 7.80 8.00 8.20 8.40 ' 5000 41 m/z 58.0.0 17.81%

68 126 — am—mTT I ■ ■ ■ ■ i ■ ■ ■ ■ i ■ ■ ' ' i ■ 1 • ■ i ■ ‘ ■ • i ‘ • 1 • i ■ m/z-> 10 20 30 401 50 60 70 80 90 100 110 120 130 . ~1 . Abundance #63205: 5-Hexen-2-one 43 7.80 8.00 8.20 8.40 m/z 41.0.0 7.27% 5000

27 55 15 I 83 98 ’ 11’1’111.3 11■■। ' ■ । ■ ■ ■' ।' • ■ ■ ।''' •' । ■ ■ ■11 ■ ■ ■ ■ । ■ ■ ■ ■ । ri * i1 * 15 n 1 . or , TTpr r miz—> 10 20 30 40 50 60 70 80 90 100 110 120 130 7.80 8.00 8.20 8.40

12164.D GCMS0528.M Thu May 30 08:42:17 2002 Page 1

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