GC-MS chromatogram data, sample 11410, May 2002

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Data File : C:\MSDCHEM\1\DATA\051702\0515REF2.D Vial: 18 Acq On : 18 May 2002 3:27 am Operator: Mclean Sample : 5/15 eh Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: May 21 11:59:57 2002 Quant Results File: 050102.RES

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Mon May 13 11:40:29 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.94 152 6156943 40.00 ug/L 0.00 10) Napthalene-d8 13.43 136 24509274 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.57 164 13364909 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.95 188 19642254 40.00 ug/L 0.00 37) Chrysene-dl 2 30.81 240 14682540 40.00 ug/L 0.00 43) Perylene-dl2 34.70 264 9727196 40.00 ug/L 0.00

System Monitoring Compounds 27) TCMX 20.55 209 2859473 35.24 ug/L 0.00 Spiked Amount 40.000 Recovery 88.10%

Target Compounds Qvalue 2) n-nitros-dimethyl amine 3.87 74 1055824 8.37 ug/L # 85 3) bis(2-Chloroethyl )ether 9.35 93 3516925 14.60 ug/L 87 4) 1,3-Dichlorobenzene 9.76 146 3188239 13.00 ug/L 99 5) 1,4-Dichlorobenzene 9.98 146 3342111 13.25 ug/L 99 6) 1,2-Dichlorobenzene 10.36 146 3267552 14.58 ug/1 99 7) 2,2'oxybis(1-Chloropropane 10.81 45 5649349m 15.21 ug/L 8) N-nitroso-di-propylamine 11.13 70 2407004 14.09 ug/L 96 9) Hexachloroethane 11.26 117 1021918 10.99 ug/L 89 11) Nitrobenzene 11.49 77 3381715 14.26 ug/L 94 12) Isophorone 12.21 82 7126714 16.69 ug/L 99 13) bis(2-Chloroethoxy) methan 12.94 93 4331755 15.31 ug/L . 99 14) 1,2,4-Trichlorobenzene 13.30 180 2662473 14.83 ug/L 99 15) Napthalene 13.49 128 10797189 16.44 ug/L 98 16) Hexachlorobutadiene 13.93 225 1122531 13.34 ug/L 95 18) 2-Chloronaphthalene 16.93 162 6051302 17.75 ug/L 97 19) Dimethylphthalate 18.01 163 6843075 15.66 ug/L 99 20) 2,6-Dinitrotoluene 18.12 165 1105313 16.10 ug/L 93 21) Acenapthylene 18.13 152 9256039 14.68 ug/L 97 22) Acenapthalene 18.66 153 6159057 16.95 ug/L 97 23) 2,4-Dinitrotoluene 19.27 165 1379320 14.19 ug/L 93 24) Diethylphthalate 20.14 149 6670430 17.56 ug/L 98 25) 4-Chlorophenyl-phenylether 20.33 204 3307631 16.47 ug/L 98 26) Fluorene 20.20 166 7316927 17.60 ug/L 98 28) Azobenzene 20.78 77 7350892 14.66 ug/L 92 30) Nnitrosodiphenylamine 20.69 169 3651301 15.15 ug/L 94 31) 4-Bromophenyl-phenylether 21.76 248 1684147 17.36 ug/L 99 32) Hexachlorobenzene 21.79 284 1692394 18.22 ug/L 96 33) Phenanthrene 23.02 178 10068228 16.99 ug/L 97 34) Anthracene 23.17 178 9141666 15.08 ug/L 97 35) Di-n-butylphthalate 25.09 149 10234155 15.73 ug/L 100

(#) = qualifier out of range (m) = manual integration 0515REF2.D 050102.M Tue May 21 15:59:28 2002 Page 1

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