GCMS analysis results for sample AE01506, Mar 2002

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

* 'Data File : C:\MSDCHEM\l\5973N\02FEB21\0123R.D Vial: 2 Acq On : 21 Feb 2002 11:38 am Operator: Sample : ref 1/23 Inst : Instrumen Mise : February 21, 2002 Multiplr: 1.00 MS Integration Params: SPLIT.P Quant Time: Feb 25 10:48:59 2002 Quant Results File: HP022102.RES

Quant Method : C:\MSDCHEM\1...\HP022102.M (RTE Integrator) Title : 508 scan method Last Update : Mon Feb 25 10:47:59 2002 Response via : Initial Calibration DataAcq Meth : HP020702

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

1) 1,4-Dichlorobenzene-d4 9.72 152 1656237 20.00 ug/L 0.00 10) Naphthalene-d8 13.20 136 7225724 20.00 ug/L 0.00 17) Acenaphthene-diO 18.34 164 3634976 20.00 ug/L 0.00 29) Phenanthrene-diO 22.64 188 5809138 20.00 ug/L 0.00 38) Chrysene-dl2 30.49 240 4556640 20.00 ug/L -0.03 44) Perylene-dl2 34.42 264 3330450 20.00 ug/L -0.03

System Monitoring Compounds 37) 2,4-DDD 27.72 235 373155 4.82 ug/L 0.00 Spiked Amount 5.000 Recovery = 96.40%

Target Compounds Qvalue 2) n-Nitrosodimethylamine 4.02 74 239093 2.94 ug/L 99 3) bis(2-Chloroethyl)ether 9.24 93 591681 5.47 ug/L 98 4) 1,3-Dichlorobenzene 9.62 146 291012 2.36 ug/L 99 5) 1,4-Dichlorobenzene 9.76 146 336343 2.75 ug/L 96 6) 1,2-Dichlorobenzene 10.24 146 354827 3.25 ug/L 97 7) 2,2'-oxybi s (1-Chloropropa 10.68 45 825602 4.80 ug/L 99 8) n-Nitroso-di-n-propylamine 11.06 70 358281 4.44 ug/L 93 9) Hexachloroethane 11.04 117 50636 1.20 ug/L 94 11) Nitrobenzene 11.35 77 354393 2.79 ug/L 98 12) Isophorone 12.03 82 1057217 4.33 ug/L 98 13) bis(2-Chloroethoxy)methane 12.78 93 717394 4.50 ug/L 99 14) 1,2,4-Trichlorobenzene 13.12 180 291680 3.12 ug/L 97 15) Naphthalene 13.25 128 1607386 4.50 ug/L 98 16) Hexachlorobutadiene 13.85 225 46818 1.03 ug/L 98 19) 2-Chloronaphthalene 16.65 162 888381 4.57 ug/L 95 20) Dimethylphthalate 17.89 163 1185519 5.38 ug/L 95 21) 2,6-Dinitrotoluene 18.06 165 76052 1.49 ug/L 86 22) Ac enapht hylene 17.87 152 1352771 4.55 ug/L 99 2 3) Acenaphthene 18.42 153 1029044 5.25 ug/L 100 24) 2,4-Dinitrotoluene 19.19 165 73803 1.05 ug/L 95 25) Diethylphthalate 20.00 149 1177457 5.74 ug/L 99 26) 4-Chlorophenyl-phenylether 20.02 204 522422 5.63 ug/L 91 2 7) Fluorene 19.91 166 1188140 5.02 ug/L 100 28) Azobenzene/1,2-Diphenylhyd 20.47 77 1341048 4.95 ug/L 95 30) N-nitrosodiphenylamine 20.43 169 664445 4.47 ug/L 98 31) 4-Bromophenyl-phenylether 21.44 248 290579 4.96 ug/L 97 32) Hexachlorobenzene 21.77 284 299875 4.91 ug/L 93 33) Phenanthrene 22.70 178 1825254 5.63 ug/L 99 3 4) Anthracene 22.82 178 1687760 5.16 ug/L 99 35) Di-n-butylphthalate 24.86 149 1817002 4.84 ug/L 99

(#) = qualifier out of range (m) = manual integration 0123R.D HP022102.M Mon Feb 25 15:40:54 2002 Page 1

NYC-WTC_000009943