GCMS analysis results for sample AE10813, May 2002

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Gas chromatography-mass spectrometry report for sample AE10813 showing detection of unknown compounds and surrogate recovery.

NYC-WTC_000046064–000046080

Folder label: “GCMS X 5/7/02 A 5/15/02”

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NYC 9/11 Public Portal Document

• Data File : C:\MSDCHEM\1\DATA\051402\10813.D Vial: 23 Acq On : 15 May 2002 8:17 am Operator: Mclean Sample : 5/7 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 5 4-Penten-2-one, 4-methyl- Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T. 7.73 0.24 ug/L 211183 1,4-Dichlorobenzene-d4 9.94

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 4-Penten-2-one, 4-methyl- 98 C6H10O 003744-02-3 35 2 tert-Butyl Hydroperoxide 90 C4H10O2 000075-91-2 23 3 2,3-Dihydrooxazole, 2-t-butyl-4-... 98 C6H10O 036808-01-2 9 4 4-Hexen-2-one 98 C6H10O 025659-22-7 9 Abundance Scan 792 (7.733 min): 10813.D (-787) (-) m/z 43.10 100.00% 43

5000 MW"WWA 87 58 ■ - t - - > i ' * - ’ । । । 1 -| « « 1 1 । 98 7.40 7.60 7.80 8.00 0/ 1’0’0010101111801’1’111111711117 panpms, +— T’TUTT psol, pom m/z 87.10 32.32% n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #110033: 4-Penten-2-one, 4-methyl- 43

5000 7.40 7.60 7.80 800 83 m/z 58.10 24.75% 28 55 98

m/z->5 Oh ... ill, 1.341 I r "11" ।111 11" " r "1 r1" i" " i" 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 ■ । ■ 1111 ■ । ■ 11111 > 111111111

Abundance #5471: tert-Butyl Hydroperoxide 43 57 AWNaAek MMAAMau, PPP— ■ ' i ' ' ' ' i 7.40 7.60 7.80 8.00 5000 29 m/z 59.10 17.34% 15 । 3£ 75 ! I I I] I I 24 I I | I I .I -- 50 , | 90 OhTTTTT ..... 11.... . 111111 [ 111111 r-" ■ i" " i1 n/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 Abundance #5312: 2,3-Dihydrooxazole, 2-t-butyl-4-(1-hydroxy-1-methyl... 43 7.40 7.60 7.80 8.00 m/z 41.15 15.82% 5000

55 83 98 I Oh g .......... '27I'!... 34,1 50 , 63 69 t ri । । 77, 111111111111111 T| i ci | rt | i I i 11 | i I i । i i i । |'। । 11 [ t 1 r 111 r " m/z-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100105 7.40 7.60 7.80 8.00

10813.D 050102.M Thu May 16 14:15:50 2002 Page 8

NYC-WTC_000046076

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GCMS analysis results for sample AE10815, May 2002 · Box DEP Box 25

NYC-WTC_000046094

Gas chromatography-mass spectrometry report for sample AE10815 showing detection of unknown compounds and surrogate recovery.

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