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GC/MS results for unknown compounds and surrogates, sample AE10981, May

Machine-extracted title · confidence 100%

Laboratory report showing GC/MS analysis of sample AE10981 with surrogate recovery data for 2,4-DDD.

NYC-WTC_000023904–000023924

Folder label: “GCMS X 5/10/02 A 5/14/02

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Scanned page image, NYC-WTC_000023919
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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\l\DATA\051402\10981.D Vial: 10 Acq On : 14 May 2002 8:50 pm Operator: Mclean Sample : 5/10 kb Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e

Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 8 Dodecanoic acid, 2,4,6-trim... Concentration Rank 7

R.T. EstConc Area Relative to ISTD R.T.

34.96 0.45 ug/L 366228 Perylene-dl2 34.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Dodecanoic acid, 2,4,6-trimethyl... 256 C16H3202 057289-31-3 5 2 4H-Thiopyran-4-one, tetrahydro- 116 C5H8OS 001072-72-6 5 3 Thiophene, 2-(decylthio)- 256 C14H24S2 054986-42 5 4 2-Thiazolidinimine, 3-methyl- 116 C4H8N2S 003732 56-7 5 Abundance Scan 5427 (34.966 min): 10981 .D (-5425) (-) m/z 115.70 100.00% 86 1* 6 177 256 73

5000 133 ....................................... 209

49 34.60 34.80 35.00 35.20 0- 1 ' I ■ ' 1 1 I ' ' I ' 1 ' ' I /* m/Z 85.90 92.96% m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #35917: Dodecanoic acid, 2,4,6-trimethyl-, methyl ester 88 101 256

41 5000 55 69 ——Ar 4 M *, M, A, , | A, , nA 29 34.60 34.80 35.00 35.20 m/z 88.10 92.49% 15 I II l . 115 129 143 157 171 185 fl m/z-> 0-— 111. । p । l 20 40 60 1 100 120 140 160 180 200 213225 80 240 ■' l ' ' ' 1 I M* । ।'. । । i‘ । i । । i* । r । 220 240 260 111 ■ ■ ' । i । ' IIr

Abundance #51992:4H-Thiopyran-4-one, tetrahydro- 1 6 ........................................

34.60 34.80 35.00 35.20 44 60 88 5000 m/z 256.00 87.79%

0- 29, 1 n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 Abundance #51977: Thiophene, 2-(decylthio)- 1- 6 34.60 34.80 35.00 35.20 43 m/z 177.00 87.32% 71 5000 256 29 57

129 151 0 TTIUT 444 — TndpnNu r 4 97 . , |l , 1 .. ... .. .... 241 -I— ■ i 1 ' ■ ‘ i ■ -..1 m/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 34.60 34.80 35.00 35.20

10981.D 050102 .M Thu May 16 14:37:18 2002 Page 11

NYC-WTC_000023919

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NYC-WTC_000023919Source: NYC Law Department, mirrored locally

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