GCMS blank results for sample AE09095, April 2002

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Laboratory report showing GCMS blank analysis for sample AE09095 conducted on April 23, 2002.

NYC-WTC_000046460–000046467

Folder label: “GCMS X 4/17/02 A 4/24/02”

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NYC 9/11 Public Portal Document

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Data File : C:\HPCHEM\l\DATA\APR2302\LBA.D Vial: 16 Acq On : 24 Apr 2002 5:01 am Operator: Sample : gc/ms scan 4/17 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 5.28 ug/1 752005 1,4-Dichlorobenzene-d4 12.21

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 2-Pentanone, A-hydroxy-4-methyl- 116 C6H1202 000123-42-2 50 2 Morpholine,/4-methyl- 101 C5H11NO 000109-02-4 9 3 Butane, l-ethoxy- 102 C6H140 000628-81-9 9 4 3 - Hydroxy 2 - p ent anone 102 C5H10O2 003142-66-3 9 Abundance Scan 342 (8.187 min): LBA.D (-) m/z 43.00 100.00% 43

59 5000 101 1 I ' ' ' ' I ‘ ' I ' 1 ' ' I ' ' ' ' 1 1 ' 780 8.00 8.20 8.40 8.60 -----344 tori 51I1'1 , 71 I ■ ■ ' ■ । 1 1 1 1 i 1 1 r 1 । 1 83 IIanngi m/z 59.05 51.80% m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #64275: 2-Pentanone, 4-hydroxy-4-methyl- 43

5000 59 7.80 8.00 8.20 8.40 8.60 m/z 101.05 22.09% 15 31 101 .......... 1............1, I - 83 PH I | i i I I । i'i i । “J" T T 1 1 i ■ 1 1 1 i 1 m/z-> 10 20 30 40 50 60 70 80 90 100 110 Abundance #1640: Morpholine, 4-methyl- 43

7.80 8.00 8.20 8.40 8.60 5000 m/z 58.05 17.10% 101 15 71 27 56 — 1 1 i 1 ■ 1 ■ i ' ■ 1 ■ I ' 1 1 1 i - i ' 1 ' 1 i 1 1 ‘ ■ I 1 ■ 1 1 i 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 Abundance #63550: Butane, 1-ethoxy- ___________ —--------------- 1 i 1 ' ' ■ I ■ 1 ‘ 1 i ' 1 1 11 ' 1 1 1 i 1 1 59 7.80 8.00 8.20 8.40 8.60 31 m/z 41.05 7.80%

5000

45 73 | 87 102 1 1 i 1 1 ■ 1 i 1 ■ ■ ' I " I । I, ! ■ | । | ■ i ■ ■ ■ ■ i > ' '■। । ■ ■ ■ ■ । 1 ■ ■ ■ । ■ r । । । । । । । 11 1 m/z—> 10 20 30 40 50 60 70 80 90 100 110 7.80 8.00 8.20 8.40 8.60

LBA.D GCMS0412.M Wed Apr 24 11:22:16 2002 Page 1

NYC-WTC_000046466

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NYC-WTC_000046466Source: NYC Law Department, mirrored locally

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NYC-WTC_000047643

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