GCMS blank analysis results for sample AE00167, Jan 2002

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Laboratory blank report for GCMS analysis of sample AE00167 showing compound concentrations and quality control values.

NYC-WTC_000050444–000050480

Folder label: “GCMS X 1/4/02 A 1/24 - 1/25/02”

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NYC 9/11 Public Portal Document X

Data File : C:\MSDCHEM\l\5973N\02JAN25\0104B2.D Vial: 4 Acq On : 25 Jan 2002 12:39 pm Operator: Sample : lab blank 1/4; 2nd inj. Inst : Instrumen Mise : January 25, 2002 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Method : C:\MSDCHEM\1.. .\SCAN508.M (RTE Integrator) Title : 508 scan method Library : C:\DATABASE\WILEY7N.L ********************************************************************* Peak Number 7 Cyclotetrasiloxane, octamet... Concentration Rank 8 R.T. EstConc Area Relative to ISTD R.T. 9.41 0.05 ug/L 18578 1,4-Dichlorobenzene-d4 9.71 Hit# of 5 Tentative ID MW MolForm . CAS# Qual 1 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-2 74 2 Cyclotetrasiloxane, octamethyl- ... 296 C8H24O4Si4 000556-67-2 64 3 Cyclotetrasiloxane, octamethyl- 296 C8H2404Si4 000556-67-2 64 4 Tricyclo[10.2.2.25,8]octadeca-5,... 281 C18H19NO2 024777-32-0 64 Abundance Scan 529 (9,413 min): 0104B2.D (-) m/z 281.10 100.00% 281

5000

133 I 193 9.00 9.20 9.40 9.60 9.80 ‘ i 1 ■ ' ' i ' ■ ' ■ i • ■ ■ ■ i ■ ■ ■ ‘ i • ■ ■ ■ i ■ ■ ' ‘ i ■ ' ‘ ■ i ‘ 1 ' ■ i ■ ■ ' • i ■ ■ ■ ■ i ■ ■ ■ ■ i • ■ ■ ■ i ■ ' m/z 282.00 25.54% mtz-> 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #244216: Cyclotetrasiloxane, octamethyl- (CAS) $$ 1,1,3,3,... 211

5000 9.00 9.20 9.40 9.60 9.80 m/z 283.00 18.46% 73 133

m/z—> »।••••।•• • • । 40 60 i

80 I • i • • ■ • i • • • >।••>•।• - I ■ 100 120 140 177 160 180 193200207220 23524024926025 2801 Abundance #244219: Cyclotetrasiloxane, octamethyl- (CAS) $$ 1,1,3,3,... 211 i • • • • i ■ • ■ i ■ ■ ‘ ■ i ■ ‘ 9.00 9.20 9.40 9.60 9.80 5000 m/z 133.00 17.75%

73 119133 177 193 207 ... 249li 1 265 II , ■ i ■ ■ ■ ■ i ■ ' ■ ■ i ■ ■ ■ ■ i ■ ■ ■ ■ i ■ 1 ■ • i ■ ■1 ■ i 1 ■ ■ ■ i ' 11 ■ i ■ 1 ■ 1 t < > • • i ■ ■ > ‘ ■ • ■ । ■ ‘ 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #244220: Cyclotetrasiloxane, octamethyl- 211 9.00 9.20 9.40 9.60 9.80 m/z 192.90 8.55% 5000

73 265 133 45 59 | 1 177 ■ i • ■ ■ • i ■ ■ • ■ i ■1 ■ ■ i ■ ■ ■11 ■ • ■ ■ i • ■1' i ■ • ■ • i ■ 193 207 • i ■ ■' ■ i' ‘ 235 ■' i L i■• ' ■ • i ■ ■ ■'

nfe-> 40 60 80 100 120 140 160 180 200 220 240 260 280 9.00 9.20 9.40 9.60 9.80

104B2.D SCAN508.M Fri Jan 25 13:22:50 2002 Page 9

NYC-WTC_000050473

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NYC-WTC_000050473Source: NYC Law Department, mirrored locally

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