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← Document results/DEP Box 25/GCMS X 4/18/02 A 5/1/02
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GCMS analysis results, sample AE09393, May 8, 2002

Machine-extracted title · confidence 95%

Laboratory report for DEP Box 25 showing GCMS analysis of sample AE09393 with unknown compounds and surrogate data from May 8, 2002.

NYC-WTC_000043079–000043096

Folder label: “GCMS X 4/18/02 A 5/1/02”

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NYC 9/11 Public Portal Document

Data File C:\HPCHEM\l\DATA\MAY0102\9393.D vial: 11 Acq On 1 May 2002 5:16 pm Operator: Sample gc/ms scan 4/18 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.M (RTE Integrator) Title : 209 -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.

8.17 13.95 ug/1 1011750 1,4-Dichlorobenzene-d4 12.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 2 -Pentarone , 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 78 2 CH2=CHCH2C(O)OCH3 100 C5H802 003724-55-8 10 3 3-Hydrox y-2-pentanone 102 C5H10O2 003142-66-3 9 4 Butane/ 58 C4H10 000106-97-8 5 Abundance 7 Scan 342 (8.175 min): 9393.D (-) m/ z 43.05 100.00% 43

5000 59

I [ I I I I' I I - I [ I I , I I” I I I I 101 7.80 8.00 8.20 8.40 8.60 i 1 ' 1 1 i 1 1 1 1 i 1 1 38.1I 1 +53+ ------- m/z 59.10 43.52% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 I I I I I I [ r I "l I I 1l I I I I ■ I I I I

59 7.80 8.00 8.20 8.40 8.60 m/z 58.10 15.19% 27 49 „ | 101 83 m/z-> 1 1 1 1 1 11 । 10 20 I, 30 ..40 i 1 । । । । 111 । । । 1 1 i ' 1 1 1 i 1 1 1 ■ i 50 60 70 80 90 411----- v- 100 110 Abundance #1448: CH2=CHCH2C(O)OCH3 43 7.80 8.00 8.20 8.40 8.60 5000 m/ z 101.15 12.83%

58 72 100 38 4 - T-r-p-r-r lil m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1691:3-Hydroxy-2-pentanone 31 59 7.80 8.00 8.20 8.40 8.60 m/ z 41.10 7.28%

5000 45 15

m/z-> —L10 1 i 1 1 ' 1 i ' 1 1 ‘ i 20 30 40 1 i ■ 1 50 60 I 66 I I 1“ 1 I 70 73 III I I 80 I 84 I I I I 90 I I I I 100 102 [ I I I II " I 110 7.80 8.00 8.20 8.40 8.60

9393.D GCMS0501.M Thu May 02 12:02:39 2002 Page 2

NYC-WTC_000043087

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NYC-WTC_000043087Source: NYC Law Department, mirrored locally

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