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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_000023970–000023990

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

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NYC 9/11 Public Portal Document Llorary searcn compound Keport

Data File : C:\MSDCHEM\1\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\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 9 3,6-Dioxa-2,4,5,7-tetrasila... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 35.42 0.70 ug/L 564443 Perylene-dl2 34.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 3,6-Dioxa-2,4,5,7-tetrasilaoctan... 294 C10H3002Si4 004342-25-0 43 2 1,1,1,5,7,7,7-Heptamethy1-3,3-bi. . . 444 C13H40O5Si6 038147-00-1 40 3 Mercaptoacetic acid, bis(trimeth... 236 C8H20O2SSi2 006398-62-5 32 4 Pentasiloxane, dodecamethyl- 384 C12H3604Si5 000141-63-9 27 Abundance Scan 5504 (35.419 min): 10981.D (-5494) (-) m/z 73.10 100.00% 73 147 221

5000 281 355 429 LMAAMMYMTY 44 193 35.00 35.20 35.40 35.60 35.80 96 119 0— m/z 147.10 82.72% n/z-> 0 50 100 150 200 250 300 350 400 Abundance #87890: 3,6-Dioxa-2,4,5,7-tetrasilaoctane, 2,2,4,4,5,5.7,7... 147 22!1

5000 73 _ m 35.00 35.20 35.40 35.60 35.80 191 m/z 221.10 79.35% 117

mfe-> oS 0 45 T’) 50 A 100 150 ' 1 11 200 1 1 250 _ 300 279 249., .000001 350 400 Abundance #26950:1,1,1,5,7,7,7-Heptamethyl-3,3-bis(trimethylsiloxy)... 73 ' ......................... ......... ... 147 35.00 35.20 35.40 35.60 35.80 5000 267 m/z 207.00 40.28% 355 429 45 207

............................................. ........... I ! I, , . , , , Aowopow/orwoanoe-- oS- ' i ■ miz—> 0 50 100 150 200 250 300 350 400 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- ' 1 i ■ 1 ' ' i ' ■ 73 35.00 35.20 35.40 35.60 35.80 147 m/z 281.00 38.23% A 5000 221 45

0— 13—144 - 104 __ 193 1169 1)...... .......... now wW/un m/z-> 0 50 100 150 200 250 300 350 400 35.00 35.20 35.40 35.60 35.80

10981.D 050102 .M Thu May 16 14:37:21 2002 Page 12

NYC-WTC_000023986

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NYC-WTC_000023986Source: NYC Law Department, mirrored locally

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