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GC/MS results for unknown compounds and surrogates, sample AE10982, May

Machine-extracted title · confidence 100%

Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.

NYC-WTC_000023925–000023948

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

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Scanned page image, NYC-WTC_000023947
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NYC 9/11 Public Portal Document 2 MUULp— U.A

Data File : C:\MSDCHEM\1\DATA\051402\10982.D Vial: 11 Acq On : 14 May 2002 9:39 pm Operator: Mclean Sample : 5/10 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 15 Mercaptoacetic acid, bis(tr... Concentration Rank 3 R.T. EstConc Area Relative to ISTD R.T.

39.77 1.60 ug/L 1341980 Perylene-dl2 ‘ 34.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Mercaptoacetic acid, bis (trimeth. . . 236 c8n20029512 006398-62-5 38 2 3-Isopropoxy-l,1,1,7,7,7-hexamet... 576 C18H5207Si7 071579-69-6/38 3 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H30O2Si4 004342-25-0 37 4 .alpha.-Tetralone, 2-amino-5,6-d... 221 C12H15N03/ 1000125-87-7 22 Abundance Scan 6244 (39.766 min): 10982.D (-6219) (-) • m/z 147.05 100.00% 73 147 221

5000 281 355 429 191

mfz-> 0- 0 44 1, i ■ 1 1 1 i ■ ■ 50 1,1 , , 100 Ou 150 200 250 1 i 1 B II , —— 300 350 401

400 450 500 550 39.40 39.60 m/z 221.10 39.80 97.59% Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147

5000 39.40 39.60 39.80______ 221 m/ Z 73.10 89.39% 45 193 13. J, , 104 r11 ITTr"i 1 din ri |L । | 0- miz-> 0 50 100 150 200 250 300 350 400 450 500 550 Abundance #26784:3-lsopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(tri... 73 / A ' ■ I ' ' ’ 'I ' ' ' ' I ' ' ‘ ' I 39.40 39.60 39.80 5000 m/z 281.00 48.49%

A 147 43 221 281 327 415 519 561 0- *10".** m/z-> 0 50 100 150 200 250 300 350 400 450 500 550 wiww "L Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5,7,7... 1C 147 2211 39.40 39.60 39.80______ m/z 355.00 44.52% 73 5000 191 117 279 0 45 i ' ‘ ' ''i ’ 1 L , 249 I.................................................. m/z-> 0 50 100 150 200 250 300 350 400 450 500 550 39.40 39.60 39.80

10982.D 050102.M Thu May 16 14:38:21 2002 Page 18

NYC-WTC_000023947

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NYC-WTC_000023947Source: NYC Law Department, mirrored locally

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