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GC/MS blank analysis results for nitrosamines, sample AE10895, May 20

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Laboratory report showing non-detectable levels of nitrosamines and other contaminants in blank sample AE10895.

NYC-WTC_000024041–000024057

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

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NYC 9/11 Public Portal Document OCaLUi OpOulL CCDO.L

Data File : C:\MSDCHEM\1\DATA\051602\510LB.D Vial: 3 Acq On : 16 May 2002 4:10 pm Operator: Mclean Sample : 5/10 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\l\METHCDS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L

Peak Number 5 Phenanthrene-diO Concentration Rank 6

R.T. EstConc Area Relative to ISTD R.T. 23.11 0.33 ug/L 342991 Phenanthranene-dl0 22.95 Hit# of 5 Tentative ID MW MolForm CAS# Qual

1 Phenanthrene-diO 188 C14D10 001517-22-2 87 2 Anthracene-diO- 188 C14D10 001719-06-8 87 3 Naphthalene, 1,7-dimethoxy- 188 C12H1202 005309-18-2 53 4 2-Quinolinecarboxaldehyde, 8-hyd. . . 188 C10H8N2O2 005603-22-5 40 Abundance Scan 3409 (23.109 min): 510LB.D (-3403) (-) m/z 188.10 100.00% its

5000 - 80 94 158 22.80 23.00 23.20 23.40 43 52 66 0 THH " i1 ‘ m/z 189.10 13.62% mfa-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 Abundance #79827: Phenanthrene-d10 188

5000 22.80 23.00 23.20 23.40 80 m/ z 94.00 12.13% 94 160 30 42 52 66 108118 132 14611 I. 170179.1,1 0 TIWTTIWWTLWTTTTHTTTTTH 111 ■ I11 ■11 ■"' i" ■■ i11111'1 ['i' |,l'|T' ■. 111''' i1111 i ■ । ■ ■ m/z-> 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 Abundance #79826: Anthracene-d10- 188 ----- 22.80 23.00 23.20 23.40 5000 m/ z 80.05 11.89%

80 160 66 17 30 42 52 108 118 132 146 1 m/z-> 0 'i I > ■ 111" 11" 111 >11'1! 11111111111 — ——————————— — 10 20 30 40 50 60 70 80 90 100110 120 130 140 150 160 170 180 190 170179 ... Abundance #79804: Naphthalene, 1,7-dimethoxy- _____________ 173 188 22.80 23.00 23.20 23.40 m/z 184.10 11.48% 5000 102 115 145 51 63 75 130 HH I — — 158 0 -HL /z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 22.80 23.00 23.20 23.40

510LB.D 050102.M Fri May 17 15:08:53 2002 Page 8

NYC-WTC_000024052

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NYC-WTC_000024052Source: NYC Law Department, mirrored locally

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