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GCMS blank analysis report for sample AE12224, June 2002

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Laboratory report documenting a method blank analysis for GCMS testing of sample AE12224 to verify absence of contamination on June 3, 2002.

NYC-WTC_000015040–000015053

Folder label: “GCMS X 5/31/02 A 6/3/02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\HPCHEM\1\DATA\JUN0302\LB.D Vial: 3 Acq On : 3 Jun 2002 10:40 am Operator: Morgan Sample : gc/ms scan 5/31 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\HPCHEM\1\METHODS\GCMS0531.M (RTE Integrator) .. Title : 209 625/TCLP calibration table Library : C:\DATABASE\NBS75K.L ********************************************************************* Peak Number 5 Trisiloxane, 1,1,1,5,5,5-hexam Concentration Rank 1 R.T. EstConc Area Relative to ISTD R.T. 40.24 3.33 ug/1 185903 Perylene-dl2 37.66 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Trisiloxane, 1,1,1,5,5,5-hexamethyl 384 C12H3604Si5 003555-47-3 38 2 1,2-Benzenedicarboxylic acid, bis(t 310 C14H2204Si2 002078-22-0 10 3 3-Isopropoxy- 1,1,1,7,7,7-hexamethyl 576 C18H5207Si7 071579-69-6 10 4 3-Isopropoxy- 1,1,1,5,5,5-hexamethyl 354 C12H34O4Si4 072182-11-7 9 Abundance Scan 3834 (40.244 min): LB.D (-) m/ z 73.00 100.00%, 73

147 5000 221

281 355 45 i 1 ‘‘i 1’" ' i r*" ■ 1*7," , 191 , 253 40147...__ m/z 147.05 62.51% +327,1.. 400 40.00 40.20 40.40 40.60

mlz-> 50 100 150 200 250 300 350 450 500 -550 ' __ Abundance #74103: Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimet 73 147

5000 281 40.00 40.20 40.40 40.60 m/z 221.05 48.63%

miz-> —4 117 4 45

50 • ‘ l 1 1 100 150 207 249 TTTTTTT 200 250 ................ ............

300 350 400 450 500 550 Abundance #72972:1,2-Benzenedicarboxylic acid, bis(trimethylsilyl) e 147

73 “ 40.00 40.20 40.40 40.60 ‘ 5000

m/z-> Abundance 45 -

50 — l150e 193771 100 119 ............................ ........ 200 250 300 350 400 450 500 ’ 550 295

#60503: 3-Isopropoxy-1,1,1,7,7,7-hexamethyl-3,5,5-tris(trim N 73 40.00 40.20 40.40 40.60 m/z 281.00 26.14% 5000 147

221 281 327 415 519 561 ‘ ‘ J ‘ ‘ ‘ | 1 1 * ‘ | ‘ ‘ | ‘ ‘ I II - t miz—> 50 100 150 200 250 300 350 400 450 500 550 40.00 40.20 40.40 40.60

LB.D GCMS0531.M Tue Jun 04 09:04:55 2002 Page 5

NYC-WTC_000015050

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NYC-WTC_000015050Source: NYC Law Department, mirrored locally

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