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Document / 14 pages

GCMS analysis comments for sample AE10205, May 21 2002

Machine-extracted title · confidence 100%

Document noting low recovery in GCMS scan of sample AE10205 and subsequent re-extraction yielding 85% recovery.

NYC-WTC_000024153–000024166

Folder label: “GCMS X 5/10/02 A 5/16/02

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Scanned page image, NYC-WTC_000024165
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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051602\10205.D Vial: 6 Acq On : 16 May 2002 6:36 pm Operator: Mclean Sample : 5/10 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 6 3,5-Methano-2,3,4,5(1H)-tet.. Concentration Rank 2 R.T. EstConc Area Relative to ISTD R.T. 34.87 0.37 ug/L 213074 Perylene-dl2 34.70 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3,5-Methano-2,3,4,5(1H)-tetrahyd... 173 C11H11NO 1000146-07-1 33 2 Naphthalene, 1,2,3,4-tetrahydro-... 177 C10H11NO2 029809-14-1 28 3 Benzene, ethenyl-, dimethyl deriv. 132 C10H12 027576-03-0 9 4 Bicyclo[4.2.0]octa-1,3,5-triene,... 132 C10H12 028749-81-7 9 Abundance Scan 5411 (34.872 min): 10205.D (-5410) (-) m/z 129.70' 100.00% 130

5000 116 207 264 44 86 34.60 34.80 35.00 35.20 oV -L 281 ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ' ' 111 ■ i ' ' 1 1 i 1 1 1 ' i1 ■ 1 ■ i ■ 1 1' i' 1 1 1 i 1 1 1 1 i m/z 132.00 67.62% n/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #58647: 3,5-Methano-2,3,4,5(1 H)-tetrahydrobenzo(b)azepin-2-on 130 43 145 103 77 5000 117 34.60 34.80 35.00 35.20 173 m/z 128.60 45.24% 91 0 ..... I........ | ■ i 1 1 ■ 1 I ■ 1 ' 11111’1’’1’114 rr ‘ T 1’1** ■ ■ ।11111 ’11 ’!■ 1141111111116.114 m/z-> 20 40 60 80 100 120 140 160 180 ■ 200 220 240 260 280 Abundance #121921: Naphthalene, 1,2,3,4-tetrahydro-5-nitro- 110 91 115 159 ’it I ' 1 i ' 1 ■ ■ i ■ 1 ' 1 i ■ ■ 34.60 34.80 35.00 35.20 5000 77 m/Z 115.80 42.14% 51 39 63 103 177 27 . . । . r 147 0 —al— ' 1 i • ■ ■ ■ j ■ > ■ ■ । ■ 1 I 1 1 ' ' I ri 1 ' I 1 1 m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #59673: Benzene, ethenyl-, dimethyl deriv. 132 34.60 34.80 35.00 35.20 117 m/z 117.30 41.19%

5000 91

27 39 51 65 TI 105 —— —4 1 ।1 ■11111'' । ■ ■ ■ ■ i ■ ■ 1 ' i ■ ■ r ■ i ■'' 11' 1 1 1111 4. m/z—> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 34.60 34.80 35.00 35.20

10205.D 050102.M Fri May 17 15:01:41 2002 Page 9

NYC-WTC_000024165

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NYC-WTC_000024165Source: NYC Law Department, mirrored locally

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