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GCMS analysis results, sample AE00703, January 2002

Machine-extracted title · confidence 85%

Gas chromatography-mass spectrometry analysis of sample AE00703 conducted on 1/28/02, detecting unknown compounds and 2,4-DDD surrogate at 117 ug with 5.0 MDL.

NYC-WTC_000051842–000051859

Folder label: “GCMS X 1/10/02 A 1/16/02

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NYC 9/11 Public Portal Document

— 2 —puz I\CDWA U

Data File : C:\MSDCHEM\1\5973N\02JAN16\00703.D Vial: 3 Acq On : 16 Jan 2002 4:47 pm Operator: Sample : 508scan Inst : Instrumen Mise : January 16, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1...\SCAN508 .M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 1 Pentanoic acid, 1,1-dimethy... Concentration Rank 9 R.T. EstConc Area Relative to ISTD R.T. 4.25 0.16 ug/L 54288 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Pentanoic acid, 1,1-dimethylprop... 172 C10H20O2 117421-32-6 17 2 4-O-Methyl-d-arabinose 164 C6H12O5 000000-00-0 12 3 Pentane, 2,3,3,4-tetramethyl- 128 C9H20 016747-38-9 12 4 2-Butenoic acid, (Z)- (CAS) $$ 1... 86 C4H6O2 000503-64-0 12 Abundance Scan 77 (4.253 min): 00703.D (-) m/z 85.10 100.00% 43 85

5000 55 ....................... A , 4.00 4 20 4.40 4.60

m/z-> O-PTT 20 30 4 Ii 40 ■ ■ i • ■

50 60 70 111 ■ 80 1 ■ ■' i' ■1111 90 i1 ■ ■ ■ I 100 110 120 130 140 150 160 1 i ■ ■ m/z 43.10 83.50% Abundance #76628: Pentanoic acid, 1,1-dimethylpropyl ester 43 7n 85 57 5000 AAA /w 4.00 4.20 4.40 4.60 27 m/z 41.10 74.36% — 157 oV 4 TTPT i1 ' ■ ■ i 1 ■1 ' i 1 i ■ ■' 1 I ■ ■ ■ ■ i r 1 i ■ ■

m/z-> 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 Abundance #63795: 4-O-Methyl-d-arabinose 87 4.00 4.20 A.NA 4.40 4.60 5000 60 m/z 87.10 54.24% 45 I I o PPmT ll 74 ,1.1,.. 100 .. ।. 117,128. . ..... ....... m/z-> Abundance 20 30 40

43 50 60 70 80 90 100 110 120 130 140 150 160 #25255: Pentane, 2,3,3,4-tetramethyl- 1 TdnnmTT*T"t1701m— 85 4.00 4.20 4.40 4.60 m/z 89.10 46.46% 57 5000 69

27

m/z-> O-TTTTT +r 20 30 40 50 tTI. . 1......113.............. 60 70 80 90 100 110 120 130 140 150 160 11।'1■ i' 1 ■ 1 i ■ ■ 1 ■ । 1 ’ 4.00 4.20 4.40 4.60

0703.D SCAN508.M Thu Jan 17 08:17:28 2002 Page 3

NYC-WTC_000051848

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NYC-WTC_000051848Source: NYC Law Department, mirrored locally

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