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GCMS sample AE07068 results, April 2002

Machine-extracted title · confidence 95%

Laboratory report of GCMS analysis for sample AE07068 including surrogate recovery data from April 29, 2002.

NYC-WTC_000043417–000043426

Folder label: “GCMS X 4/23/02 A 4/24/02”

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NYC 9/11 Public Portal Document

Library Search Compound Report

Data File C:\HPCHEM\1\DATA\APR2 402\7068.D Vial: 10 Acq On 25 Apr 2002 12:34 am Operator: Sample gc/ms scan 4/23 fb 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.

8.19 4.05 ug/1 577898 1,4-Dichlorobenzene-d4 12.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 72 2 Acetic acid, 1,1-dimethylethyl este 116 C6H1202 000540-88-5 33 3 Acetic acid, cyano-, 1,1-dimethylet 141 C7H11NO2 001116-98-9 17 4 3-Hydroxy-2-pentanone 102 C5H10O2 003142-66-3 9 Abundance Scan 342 (8.187 min): 7068.D (-) m/ z 43.05 100.00% 43

59 5000-

101 । । , , ' 1 I ' 1 I I I I I I I I < 1 I I 7.80 8.00 8.20 8.40 8.60 69 83 .......... 37,1, 1 I ' 1 1 1 1 1 1 1 1 I 1 ' ' ‘T1 1 1[53 I I 1 । ‘ । । > ■ ■ ■ । ‘ । ■ m/z 59.05 50.99% /z-> 10 20 30 40 50 60 70 80 100 90 110 120 130 Abundance #64274: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 21.35%| 27

m/z-> 10 20 I I 30 TH 40 +4950— 60 70 8083. 90 100101। 110 120 130 Abundance #3292: Acetic acid, 1,1-dimethylethyl ester 43 7.80 8.00 8.20 8.40 8.60 5000 57 m/ z 58.05 17.07% 101 15 27 i । TTP 1 i 1 ■ ■ ' । ■ 1 i 1 ■ ■ 1 i 1 1 1 ' i 1 1 ‘ 1 i 1 ■ 1 1 i ■ ‘ ■ i 1 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #7666: Acetic acid, cyano-, 1,1-dimethylethyl ester । । । । । > । । । । t । । । i 1 ।—।—। । । । i 59 7.80 8.00 8.20 8.40 8.60 m/z 41.05 7.86% 5000 41

68 126 ' ।' 1 '1 i 1 '1 1 । ■ 1 1 I ' 1,11531 i । । i i i I i> ii | I i i T i ■ f- r i । i "i m/z-> 10 20 30 401 50 (60 70 80 90 100 110 120 130 7.80 8.00 8.20 8.40 8.60

7068 .D GCMS0412.M Thu Apr 25 11:16:12 2002 Page 1

NYC-WTC_000043425

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NYC-WTC_000043425Source: NYC Law Department, mirrored locally

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