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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_000023921
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NYC 9/11 Public Portal Document Library Search Compound Report

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\l\METHQDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 10 Cyclononasiloxane, octadeca... Concentration Rank 4 R.T. EstConc Area Relative to ISTD R.T.

36.50 1.29 ug/L 1044120 Perylene-dl2 34.71

Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Cyclononasiloxane, octadecamethyl- 666 C18H54O9S19 000556-71-8 90 2 Mercaptoacetic acid, bis(trimeth... 236 C8H2002SSi2 006398-62-5 43 3 Trisiloxane, 1,1,1,5,5,5 -hexamet... 384 C12H3604Sip 003555-47-3 38 4 3-Isopropoxy-1,1,1,7,7,7 -hexamet... 576 C18H5207Si Abundance 73 Scan 5688 (36.500 min): 10981 .D (-5679) (-) 147 772 071579-69-6 38 73.10 100.00% 221

5000 281 355

103 191 I II I 429 503 36.20 36.40 36.60 36.80 0- T—mdnm - TI—T m/z 147.10 83.29% miz-> 0 50 100 150 200 250 300 350 400 450 500 550 600 650 Abundance #115158: Cyclononasiloxane, octadecamethyl- 73 147 221 429

355 5000 281 36.20 36.40 36.60 36.80 m/z 221.10 72.53% 475 0- i ■ 1 ' ' i ' ' ‘ ■ i ' ■ — 11111'11111651 1111 m/z-> 0 50 100 150 200 250 300 350 400-450 500 550 600 650 Abundance #26922: Mercaptoacetic acid, bis(trimethylsilyl)- 73 147 .............. /, \ .............. 36.20 36.40 36.60 36.80 5000 m/z 281.00 33.78% 221

1348. 104 177 0- 1 1 ' ’ 1 n r '■ 11 r n/z-> 0 50 100 150 200 250 300 350 400 450 500 550 600 650 Aooopw WWM Abundance #115144: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trim... 73 36.20 36.40 36.60 36.80 147 m/z 355.00 30.10% A 5000 281 369

m/z-> 0 0 L 50 117 -- 207 249 .... 100 150 200 250 300 350 400 450 500 550 600 650 36.20 36.40 36.60 36.80

10981.D 050102.M Thu May 16 14:37:23 2002 Page 13

NYC-WTC_000023921

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NYC-WTC_000023921Source: NYC Law Department, mirrored locally

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