GCMS analysis results for sample AE06429, April 23, 2002

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GCMS laboratory report for sample AE06429 analyzed on April 23, 2002, by analyst DLV.

NYC-WTC_000048827–000048845

Folder label: “GCMS X 4/11/02 A 4/15/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\HPCHEM\1\DATA\APR1202\6429.D Vial: 12 Acq On : 15 Apr 2002 6:51 pm Operator: Sample : re-extract Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0412.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.

8.21 6.30 ug/1 808797 1,4-Dichlorobenzene-d4 12.23 Hit# Of 5 Tentative ID MW MolForm CAS# Qual 1 2-Pentanone, '-hydroxy-4 -methyl - 116 C6H12O2 000123-42-2 40 2 Acetic acid, yano-, 1,1-dimethylet 141 C7H11NO2 001116-98-9 17 3 Butane, 1-ethoxy- 102 C6H140 000628-81-9 9 4 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 Abundance Scan 344 (8.206 min): 6429. D (-) m/z 42.95 100.00% 43

59 5000 101 7.80 ‘ ‘ 8.66 8.20 ‘ ‘ 8.40 ‘ 8.60' m/z—> 1,)20——30.371,40’ +53+ . 67 77 83 —— ____________________________ 50 m/z 59.05 I ■ ' ■ ' i ■ • ■ ■ i ■ ‘ 100 110 120 130 60 70 80 90 ‘ i ■ 51.63% Abundance #64274:2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.80 8.66 8.20 8.40 8.60 m/z 101.05 22.25% 27 +49+ II 1 l ■ ‘ • i • • ■ • i . 83 , 101| ‘ ■ i • • ' 1 i • • ■ ■ i ■ ' ■ ■ i ■ ■ ■ • i ‘ •

m/z-> 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #7666: Acetic acid, cyano-, 1,1-dimethylethyl ester 59 133d . । ■. 1 1 "I. rmmm i < (l , 7.80 8.00 8.20 8.40 8.60 5000 41 m/ z 58.05 17.04%

miz-> 20 H534 ■ i ■ ■ ■ ■ i ■ ■ ■ 1 30 4 40 50 —TTt 60 70 ............ 126,,, i • ■ • ‘ i * ■ 1 ■ i 1 ■ ‘ 1 i ‘ 80 90 100 ■ i ‘ ■ 1 1 i ■ ‘ 1 ■ ) ■ ■ 110 120 130 Abundance #63550: Butane, 1-ethoxy- 59 7.80 8.00 8.20 8.40 8.60 31 m/z 41.05 7.94%

5000

45 73

m/z—> ap, 20 30 40 P- 50 60 87 102 T-p-T-r-r-p-r-rr-p-r • ■ i i ■ ■ < i • • » • j ■ • ■ ■ I » • 70 80 90 100 110 120 130 1011444218* 1ap r. . ] . . 7.80 8.00 8.20 8.40 8.60

6429.D GCMS0412.M Tue Apr 16 15:42:00 2002 Page 1

NYC-WTC_000048834

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NYC-WTC_000048834Source: NYC Law Department, mirrored locally

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GCMS analysis results for sample AE06413, April 23, 2002 · Box DEP Box 27

NYC-WTC_000048758

GCMS laboratory report for sample AE06413 analyzed on April 23, 2002, by analyst DLV.

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