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GCMS blank analysis results for sample AE10901, May 2002

Machine-extracted title · confidence 95%

Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.

NYC-WTC_000023843–000023858

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

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NYC 9/11 Public Portal Document

Library Search Compound Report Data File : C:\MSDCHEM\1\DATA\051402\0510LB.D Vial: 3 Acq On : 14 May 2002 3:07 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 8 Tricyclo[4.2.1.1(2,5)] decan... Concentration Rank 5 R.T. EstConc Area Relative to ISTD R.T. 35.01 0.25 ug/L 166088 Perylene-dl2 34.71 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 Tricyclo[4.2.1.1(2,5)]decan-9-on... 263 C14H21NO2Si 1000193-78-5 9 2 Benzaldehyde, 2,4,5-trichloro- 208.C7H3C130 035696-87-8 9/ 3 2(3H)-Furanone, dihydro-3,4-bis[... 262 C10H22O4Si2 055220-75-2/7 4 Carbazole, 2,3,5-trimethyl- 209 C15H15N 1000138-14/0 5 Abundance Scan 5434 (35.007 min): 0510LB.D (-5432) (-) m/z 73.10 100.00% 73 96 209 116 5000 262 | 132 1Bn III 1dt 281 34.60 34.80 35.00 35.20 35.40 0 14 11‘I' r‘*Tl11'I''1 11' 1 I ‘ 1 4 4 I ' 4 1 1 1 4 ‘ 1 ' l ' “n-4-41“' ।41111 m/Z 96.10 83.57% mlz-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #25646: Tricyclo[4.2.1.1(2,5)]decan-9-one, 10-cyano-10-tri... 55 73

5000 154 263 arMudaruluadtnarusidial Mil 34.60 34.80 35.00 35.20 35.40 96108 40 207 m/ Z 209.00 70.98% 139 27 4 I u Mg ql [ | | 1.. Il. u uulpal, — 1 167180 193 — 235248 220 mz-> Ol + 20 40 60 80 100 120 140 160 180 200 220 240 260 280 44L Abundance #84886: Benzaldehyde, 2,4,5-trichloro- 209

5000 m/z 116.00 63.64%

74 109 179 145

m/z-> ol :20 —3750 2.41294121—-- 40 60 80 100 120 140 160 180 200 220 240 260 280 Abundance #115137: 2(3H)-Furanone, dihydro-3,4-bis[(trimethylsilyl)o... 73 34.60 34.80 35.00 35.20 35.40 m/z 207.00 55.24% 5000 103 147

247 uMhpyupoppyur 29 T 59 1 . 87,, . 116 131 0 - । r1.1, । 1 r1 1 11 T 1 1 1 1 I 1 11 1 1 1 177189 204 219 233 , 262 n , 1 i । । 1 |j । 1 ■ । ■ l' ■ ■ — n/z-> 20 40 60 80 100 120 140 160 180 200 220 240 260 280 34.60 34.80 35.00 35.20 35.40

0510LB.D 050102.M Thu May 16 14:35:02 2002 Page 11

NYC-WTC_000023857

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NYC-WTC_000023857Source: NYC Law Department, mirrored locally

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