GCMS reference results for sample AE11157, May 2002

NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)

Data File : C:\MSDCHEM\l\DATA\020515\0513REFl.D Vial: 5 Acq On : 15 May 2002 3:46 pm Operator: Nefliu Sample : 05/13 ref Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: rteint.e Quant.Time: May 16 14:44:27 2002 Quant Results File: SCAN020507.RE

Quant Method : C:\MSDCHEM\1\METHODS\SCAN020507.M (RTE Integrator) Title : Method 508 GC/MS Scan Last Update : Wed May 15 15:22:39 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN1

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-Dichlorobenzene-d4 11.38 152 443901 40.00 ug/1 -0.01 10) Naphthalene-d8 16.54 136 1674153 40.00 ug/1 -0.03 17) Acenaphthene-diO 24.46 164 885675 40.00 ug/1 -0.02 30) Phenanthrene-diO 31.72 188 1531067 40.00 ug/1 -0.02 38) Chrysene-dl 2 39.94 240 1249885 40.00 ug/1 -0.04 44) Perylene-dl2 43.16 264 749588 40.00 ug/1 -0.02

System Monitoring Compounds 27) TCMX 27.56 207 244183 34.51 ug/1 -0.01 Spiked Amount 40.000 Recovery . 86.27%

Target Compounds Qvalue 2) N-nitrosodimethylamine 4.00 74 54070m 7.64 ug/1 3) bis(2-Chloroethyl)ether 10.65 93 283399 16.50 ug/1 100 4) 1.3-Dichlorbenzene 11.12 146 195041 13.61 ug/1 97 5) 1,4-Dichlorobenzene 11.43 146 205479 13.13 ug/1 99 6) 1,2-Dichlorobenzene 11.96 146 207315 15.26 ug/1 97 7) 2,2'oxybis(1-Chloropropane 12.78 45 469388m 17.11 ug/1 8) N-Nitroso-di-n-propylamine 13.25 43 221717 18.05 ug/1 97 9) Hexachloroethane 13.26 119 64967 9.57 ug/1 98 11) Nitrobenzene 13.67 77 334555 16.65 ug/1 100 12) Isophorone 14.78 82 691621 19.75 ug/1 99 13) bis(2-Chloroethoxy) methan 16.02 93 357919 17.21 ug/1 99 14) 1,2,4-Trichlorobenzene 16.38 180 177675 14.80 ug/1 97 15) Naphthalene 16.62 128 737825 17.59 ug/1 99 16) Hexachlorobutadiene 17.39 225 70241 10.08 ug/1 97 18) 2-Chloronaphthalene 21.93 162 414592 19.66 ug/1 96 19) Acenaphthylene 23.75 152 688262 16.73 ug/1 98 20) Dimethyl phthalate 23.84 163 523952 19.05 ug/1 99 21) 2,6-Dinitrotoluene 23.96 77 47021 19.85 ug/1 91 22) Acenaphthene 24.60 153 437382 18.34 ug/1 90 23) 2,4-Dinitrotoluene 25.74 165 109194 17.24 ug/1 92 24) Fluorene 27.01 166 534519 19.48 ug/1 100 25) Diethyl phthalate 27.22 149 576987 20.86 ug/1 97 26) 4-Chlorophenyl-phenylether 27.35 204 246561 18.14 ug/1 97 28) N-Nitrosodiphenylamine 27.94 168 181491 20.30 ug/1 99 29) Azobenzene 28.03 77 731342 17.30 ug/1 100 31) Hexachlorobenzene 29.60 284 155305 19.23 ug/1 98 32) 4-Bromophenyl-phenylether 29.71 248 145466 18.40 ug/1 99 3 3) Phenanthrene 31.82 178 731799 18.80 ug/1 98 34) Anthracene 32.04 178 668535 16.95 ug/1 99 35) Di-n-butylphthalate 34.81 149 940300 19.30 ug/1 99

(#) = qualifier out of range (m) = manual integration 0513REF1.D SCAN020507.M Thu May 16 14:45:20 2002 Page 1

NYC-WTC_000024649