GCMS sample AE12743 results, June 10 2002

NYC 9/11 Public Portal Document quantltatlon Report (V1 Revlewed)

Data File C:\MSDCHEM\l\DATA\060602\12761.D Vial: 7 Acq On 6 Jun 2002 4:11 pm Operator: McLean Sample 6/3 eh Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Jun 07 08:20:37 2002 Quant Results File: 060302.RES

Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Thu Jun 06 15:03:45 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 4477601 40.00 ug/L 0.00 10) Napthalene-d8 13.39 136 18041069 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.52 164 9856231 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.91 188 14734110 40.00 ug/L 0.00 37) Chrysene-dl2 30.75 240 7318313 40.00 ug/L 0.00 43) Perylene-dl2 34.65 264 3002226 40.00 ug/L 0.00

System Monitoring Compounds 27) TCMX 20.50 209 2092944 29.59 ug/L 0.00 Spiked Amount 40.000 Recovery 73.98% Target Compounds Qvalue 2) n-nitros-dimethyl amine 0.00 74 0 N.D. 3) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 4) 1,3-Dichlorobenzene 0.00 146 0 N.D. 5) 1,4-Dichlorobenzene 0.00 146 0 N.D. 6) 1,2-Dichlorobenzene 0.00 146 0 N.D. 7) 2,2'oxybi s(1-Chioropropane 0.00 45 0 N.D. 8) N-nitroso-di-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 0.00 117 0 N.D. 11) Nitrobenzene 0.00 77 0 N.D. 12) Isophorone 0.00 82 0 N.D. 13) bis(2-Chloroethoxy) methan 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 0.00 180 0 N.D. 15) Napthalene 0.00 128 0 N.D. 16) Hexachlorobutadiene 0.00 225 0 N.D. 18) 2-Chloronaphthalene 0.00 162 0 N.D. 19) Dimethylphthalate 0.00 163 0 N.D. 20) 2,6-Dinitrotoluene 0.00 165 0 N.D. 21) Acenapthylene 0.00 152 0 N.D. 22) Acenapthalene 0.00 153 0 N.D. 23) 2,4-Dinitrotoluene 0.00 165 0 N.D. 24) Diethylphthalate 0.00 149 0 N.D. 25) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 26) Fluorene 0.00 166 0 N.D. 28) Azobenzene 20.50 77 35256 N.D. 30) Nnitrosodiphenylamine • 20.5.0 169 40351 N.D. 31) 4-Bromophenyl-phenylether 0.00 248 0 N.D. 32) Hexachlorobenzene 0.00 284 0 N.D. 3 3) Phenanthrene 0.00 178 0 N.D. 34) Anthracene 0.00 178 0 N.D. 35) Di-n-butylphthalate 0.00 149 0 N.D. (#) = qualifier out of range (m) = manual integration 12761.D 060302.M Mon Jun 10 10:24:50 2002 Page 1

NYC-WTC_000015412