GCMS reference standard results, sample AE09517, May 22, 2002

NYC 9/11 Public Portal Document quantltatlon Report (V1 Reviewed) Data File C:\MSDCHEM\l\DATA\052102\REF2.D Vial: 12 Acq On 21 May 2002 10:18 pm Operator: Mclean Sample Inst : Instrumen Miso Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: May 22 12:04:11 2002 Quant Results File: 052202.RES Quant Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Wed May 22 12:00:55 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 4180292 40.00 ug/L 0.00 10) Napthalene-d8 13.39 136 16537916 40.00 ug/L -0.01 17) Acenapthalene-dlO 18.53 164 9109304 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.91 188 13763027 40.00 ug/L 0.00 37) Chrysene-dl2 30.77 240 10246685 40.00 ug/L -0.04 43) Perylene-dl2 34.66 264 5729842 40.00 ug/L -0.02 System Monitoring Compounds 27) TCMX 20.51 209 1808099 37.56 ug/L 0.00 Spiked Amount 40.000 Recovery 93.90% Target Compounds Qvalue 2) n-nitros-dimethyl amine 3.88 74 450571 5.77 ug/L # 67 3) bis(2-Chloroethyl)ether 9.31 93 2178906 14.07 ug/L 99 4) 1,3-Dichlorobenzene 9.73 146 1997677 12.80 ug/L 99 5) 1,4-Dichlorobenzene 9.94 146 2079209 12.27 ug/L 99 6) 1,2-Dichlorobenzene 10.32 146 2045072 13.70 ug/1 99 7) 2,2'oxybis(1-Chloropropane 10.77 45 3521753m 14.84 ug/L 8) N-nitroso-di-propylamine 11.10 70 1411791 14.01 ug/L 98 9) Hexachloroethane 11.22 117 591954 9.63 ug/L 98 11) Nitrobenzene 11.46 77 2032441 14.00 ug/L 98 12) Isophorone 12.17 82 4332197 16.47 ug/L 100 13) bis(2-Chloroethoxy) methan 12.91 93 2685474 14.57 ug/L 99 14) 1,2,4-Trichlorobenzene 13.27 180 1672960 13.39 ug/L 100 15) Napthalene 13.45 128 6857918 15.73 ug/L 99 16) Hexachlorobutadiene 13.90 225 671996 11.27 ug/L 97 18) 2-Chloronaphthalene 16.89 162 3872878 16.60 ug/L 99 19) Dimethylphthalate 17.97 163 4272393 14.92 ug/L 99 20) 2,6-Dinitrotoluene 18.08 165 585619 12.73 ug/L 96 21) Acenapthylene 18.09 152 5836754 15.00 ug/L 98 22) Acenapthalene 18.62 153 3947992 16.07 ug/L 98 23) 2,4-Dinitrotoluene 19.23 165 701888 11.67 ug/L 94 24) Diethylphthalate 20.11 149 4254432 15.90 ug/L 100 25) 4-Chlorophenyl-phenylether 20.29 204 2160574 15.13 ug/L 99 26) Fluorene 20.16 166 4733010 16.34 ug/L 99 28) Azobenzene 20.74 77 4710865 14.95 ug/L 98 30) Nnitrosodiphenylamine 20.65 169 2244632 16.16 ug/L 99 31) 4-Bromophenyl-phenylether 21.72 248 1092141 15.49 ug/L 97 32) Hexachlorobenzene 21.75 284 1111305 16.22 ug/L 97 3 3) Phenanthrene 22.98 178 6623341 16.00 ug/L 100 34) Anthracene 23.12 178 5860090 14.38 ug/L 98 35) Di-n-butylphthalate 25.05 149 6892224 16.76 ug/L 99

(#) = qualifier out of range (m) = manual integration REF2.D 052202.M Wed May 22 12:04:35 2002 Page 1

NYC-WTC_000013086