GCMS reference standard results, June 11 2002

NYC 9/11 Public Portal Document Quantitation Keporc (VT Reviewed) Data File : C:\MSDCHEM\l\DATA\0610022\REF2.D Vial: 9 Acq On : 10 Jun 2002 5:32 pm Operator : Sample : gc/ms scan 6/7 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Jun 11 08:17:10 2002 Quant Results File: 060302.RES Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Mon Jun 10 11:43:55 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-dichlorobenzene-d4 9.90 152 5748416 40.00 ug/L 0.00 10) Napthalene-d8 13.39 136 23229974 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.53 164 12819761 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.91 188 19564848 40.00 ug/L 0.00 37) Chrysene-dl2 30.76 240 12847561 40.00 ug/L 0.00 43) Perylene-dl2 34.66 264 7510078 40.00 ug/L 0.00

System Monitoring Compounds 27) TCMX 20.50 209 2563387 :27.87 ug/L 0.00 Spiked Amount 40.000 Recovery 69.67% Target Compounds Qvalue 2) n-nitros-dimethyl amine 3.86 74 743435 6.88 ug/L # 83 3) bis(2-Chloroethyl)ether 9.31 93 2893139 13.72 ug/L 97 4) 1,3-Dichlorobenzene 9.73 146 2463987 11.78 ug/L 98 5) 1,4 -Dichlorobenzene 9.94 146 2599023 11.45 ug/L 100 6) 1,2-Dichlorobenzene 10.32 146 2567409 12.80 ug/1 100 7) 2,2'oxybis(1-Chloropropane 10.76 45 4649948m 13.91 ug/L 8) N-nitroso-di-propylamine 11.09 70 2055416 13.88 ug/L 96 9) Hexachloroethane 11.22 117 776174 9.00 ug/L 98 11) Nitrobenzene 11.45 77 2809638 12.88 ug/L 98 12) 1sophorone 12.17 82 6222906 15.83 ug/L 99 13) bis(2-Chloroethoxy) methan 12.90 93 3699357 14.17 ug/L 99 14) 1,2,4-Trichlorobenzene 13.26 180 2192263 12.90 ug/L 100 15) Napthalene 13.45 128 8997584 15.15 ug/L 99 16) Hexachiorobutadiene 13.89 225 848134 10.58 ug/L 97 18) 2-Chloronaphthalene 16.89 162 5251355 16.61 ug/L 99 19) Dimethylphthalate 17.96 163 6344201 15.62 ug/L 100 20) 2,6-Dinitrotoluene 18.08 165 1020558 15.66 ug/L 92 21) Acenapthylene 18.08 152 8155926 15.25 ug/L 98 22) Acenapthalene 18.62 153 5482177 16.39 ug/L 99 23) 2,4-Dinitrotoluene 19.23 165 1413914 17.50 ug/L 94 24) Diethylphthalate 20.10 149 6417291 18.28 ug/L 98 25) 4-Chlorophenyl-phenylether 20.29 204 3043515 15.84 ug/L 98 26) Fluorene 20.16 166 6705025 17.14 ug/L 99 28) Azobenzene 20.74 77 6914669 15.04 ug/L 99 30) Nnitrosodiphenylamine 20.65 169 3790110 16.88 ug/L 99 31) 4-Bromophenyl-phenylether 21.72 248 1542772 15.98 ug/L 98 32) Hexachlorobenzene 21.75 284 1542783 16.70 ug/L 99 33) Phenanthrene 22.97 178 9462150 16.84 ug/L 99 34) Anthracene 23.12 178 9155559 15.89 ug/L 99 35) Di-n-butylphthalate 25.05 149 9834369 14.30 ug/L 99 (#) = qualifier out of range (m) = manual integration REF2.D 060302.M Tue Jun 11 08:20:12 2002 Page 1

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