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GCMS analysis with surrogate recovery, sample AE10895, May 2002

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Gas chromatography-mass spectrometry analysis of sample AE10895 with 91% surrogate recovery for 2,4-DDD, conducted May 21, 2002.

NYC-WTC_000024070–000024082

Folder label: “GCMS X 5/10/02 A 5/16/02

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\051602\10895.D Vial: 8 Acq On : 16 May 2002 8 :14 pm Operator: Mclean Sample : 5/10 eh 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 4 Anthracene-dlO- Concentration Rank 3

R.T. EstConc Area Relative to ISTD R.T. 23.11 0.40 ug/L 368416 Phenanthranene-dl0 22.95 Hit# of

1 Anthracene-dl0- 5 Tentative ID MW 188 MolForm C14D10 CAS#

001719-06-8 80 — 005309-18-2 42 V, ddlg) 2 Naphthalene, 1,7-dimethoxy- 188 C12H1202 3 Phenanthrene-diO 188 C14D10 001517-22-2 40 —7 4 2-Quinolinecarboxaldehyde, 8-hyd... 188 C10H8N2O2 005603-22-5 9 Abundance Scan 3409 (23.109 min): 10895.D (-3403) (-) m/z 188.10 100.00% 188

5000 - 94 — 80 158 22.80 23.00 23.20 23.40 O- 66 j I" " r " ■ i'1 “ i" ।' r " ' I' TTTTTTTWWWTTTTTTHTTITTTT I’T 1 m/z 184.05 18.38% m/z-> 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 Abundance #79826: Anthracene-d1 0- 188

5000 22.80 23.00 23.20 23.40 m/z 189.15 18.25% 66 80 94 160 . , 17 30 42 52 ,, ! 1 108118 132 146 II 170179 I 0 ' 11" । p117711 ■ 1111 ■ ■ 1111 TTHTTTHTTTTTTTTT miz-> 10 20 30 40 50 60 70 80 90 100110120130140150160170180190 Abundance #79804: Naphthalene, 1,7-dimethoxy- 173 188

22.80 23.00 23.20 23.40 5000 m/ z 94.05 17.31% 102 115 145 63 75 51 130 158

m/z-> 11-pri1! 11111111 L 11 - HH 0 r| 1111 |T-r> > I > 11. J > 111 p'r J ■ | 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 4 — Abundance #79827: Phenanthrene-d10 188 22.80 23.00 23.20 23.40 m/z 187.10 11.98% 5000

94 80 160 30 42 52 66 11 108118 132 146 1I 1701791 — oJ ■ i"" I"" i"" i>'ill" । ill! ruttt 11 TgTTTTm ■ ■ i ■ 1 ■ ■ i n/z-> 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 22.80 23.00 23.20 23.40

10895.D 050102.M Fri May 17 15:03:58 2002 Page 6

NYC-WTC_000024080

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NYC-WTC_000024080Source: NYC Law Department, mirrored locally

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