GCMS sample AE11905 results, June 6 2002

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

Data File C:\MSDCHEM\l\DATA\060402\11905.D Vial: 8 Acq On 4 Jun 2002 9:33 pm Operator: McLean Sample 6/4 Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Jun 05 12:08:30 2002 Quant Results File: 060302 RES Quant Method : C:\MSDCHEM\l\METHQDS\060302.M (Chemstation Integrator Title : 508 Modified GC/MS scan Last Update : Wed Jun 05 12:03:00 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 4503228 40.00 ug/L 0.00 10) Napthalene-d8 13.39 136 17939960 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.52 164 9844970 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.91 188 14857916 40.00 ug/L 0.00 37) Chrysene-dl2 30.75 240 8420340 40.00 ug/L 0.00 43) Perylene-dl2 34.65 264 4220819 40.00 ug/L 0.00

System Monitoring Compounds 27) TCMX 20.50 209 2101128 29.14 ug/L 0.00 Spiked Amount 40.000 Recovery = / 72.85%

Target Compounds Qvalue 2) n-nitros-dimethyl amine 3.48 74 19910 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 -Di chiorobenzene 0.00 146 0 N.D. 7) 2,2'oxybi s(1-Chloropropane 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) Hexachiorobutadiene 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 34876 N.D. 30) Nnitrosodiphenylamine 20.50 169 39754 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 25.04 149 40968 Below Cal # 79 (#) = qualifier out of range (m) = manual integration 11905.D 060302.M Wed Jun 05 14:03:16 2002 Page 1

NYC-WTC_000015583