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Laboratory blank analysis results, sample AE11755, May 2002

Machine-extracted title · confidence 90%

Blank analysis for sample AE11755 to verify absence of contamination in laboratory equipment and procedures, completed May 13, 2002.

NYC-WTC_000016024–000016054

Folder label: “525 X 5/10/02 A 5/13/02

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NYC 9/11 Public Portal Document Library Search Compound Report

Data File : C:\MSDCHEM\1\DATA\051302\LBA0513.D Vial: 8 * Acq On : 13 May 2002 5:46 pm Operator: Bohlk / Inst 213 Sample : LB 5/10/02 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P

Quant Method ; C:\MSDCHEM\1\5973N\050802.M (RTE Integrator) Title : Quantitation For Method 525.2 Library : C:\DATABASE\WILEY7N.L

Peak Number 14 (E)-2,4'-dihydroxystilbene ... Concentration Rank 1

R.T. EstConc Area Relative to ISTD R.T. Tes.€ 26.65

Hit# of 5.47 ug/L

5 Tentative ID 3616520 p-Terphenyl d-14 MW MolForm 27.42 4-to CAS# Qual

1 (E)-2,4'-dihydroxystilbene $$ 2,... 212 C14H1202 110983-43-2 72 2 [2.2](2,6)pyrazinophane 212 C12H12N4 123624-86-2 64 3 [1,1'-Biphenyl]-4,4'-diamine, 3,... 212 C14H16N2 000119-93-7 59 4 Benzenamine, 2-methoxy-N-(3-pyri... 212 C13H12N20 041855-67-8 59 Abundance Scan 1717 (26.650 mln): LBA0513.D (-) m/z 212.20 100.00% 2 2

5000

106 * 26.40 26.60 26.80 27.00 52 66 78 1 | 124 138 156 168 180 194 m/z 106.10 20.94% 0 m/z—> 20 40 60 80 100 120 140 160 180 200 220 Abundance #133665: (E)-2,4’-dihydroxystilbene $$ 2,4’-Dihydroxy-stil... 212

5000 mPP i ' ■ ■ ‘ i • ■ 26.40 26.60 26.80 27.00 m/z 211.20 16.89% 165 199 152 | 118 । 195 III ,1 , 0 1’’’11’’111111/11111133311’OIIT0TTITTTMTTST m/z-> 20 40 60 80 100 120 140 160 180 200 220 Abundance #132924: [2.2](2,6)pyrazinophane 2 2

26.40 26.60 26.80 27.00 5000 m/z 213.20 16.82%

158 185 144I 171 197 0 1 I m/z—> 20 40 60 80 100 120 * 140 ' 160' 180 200 220 Abundance #133759: [1,1’-Biphenyl]-4,4’-diamine, 3,3’-dimethyl- $$ B... 212 26.40 26.60 26'80 27.00 m/z 208.20 16.71%

5000

106

m/z—> 01,28.39.51, 65 7,91,4.117,139141152,168149. X,, 20 40 60 80 100 120 140 160 180 200 220 26.40 26.60 26.80 27.00

BA0513.D 050802.M Tue May 14 10:36:19 2002 Page 16

NYC-WTC_000016052

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NYC-WTC_000016052Source: NYC Law Department, mirrored locally

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