GCMS quantitative results for sample AE03509, March 2002

NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed) • Data File : C:\MSDCHEM\1\5 9 7 3N\02MARO 8\0219R2.D Vial: 3 Acq On : 8 Mar 2002 12:18 pm Operator: Sample : ref 2 2/19 Inst : Instrumen Mise : March 8, 2002 Multiplr: 1.00 MS Integration Params: SPLIT.P Quant Time: Mar 15 10:05:05 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 : HP022102 Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-Dichlorobenzene-d4 9.71 152 1720467 20.00 ug/L 0.00 10) Naphthalene-d8 13.20 136 7550554 20.00 ug/L 0.00 17) Acenaphthene-diO 18.33 164 3836856 20.00 ug/L 0.00 29) Phenanthrene-dlO 22.63 188 6489159 20.00 ug/L -0.01 38) Chrysene-dl2 30.49 240 5330360 20.00 ug/L -0.03 44) Perylene-dl2 34.41 264 3507005 20.00 ug/L -0.04 System Monitoring Compounds 37) 2,4-DDD 27.72 235 426227 4.93 ug/L 0.00 Spiked Amount 5.000 Recovery = 98.60% Target Compounds Qvalue 2) n-Nitrosodimethylamine 3.99 74 458059 5.43 ug/L 97 3) bis(2-Chloroethyl)ether 9.24 93 1082593 9.63 ug/L 98 4) 1,3-Dichlorobenzene 9.61 146 806187 6.30 ug/L 98 5) 1,4-Dichlorobenzene 9.75 146 857904 6.74 ug/L 97 6) 1,2-Dichlorobenzene 10.24 146 849781 7.49 ug/L 97 7) 2,2'-oxybis (1-Chloropropa 10.67 45 1613030 9.03 ug/L 96 8) n-Nitroso-di-n-propylamine 11.05 70 723983 8.63 ug/L 98 9) Hexachloroethane 11.03 117 210399 4.78 ug/L 96 11) Nitrobenzene 11.36 77 839636 6.33 ug/L 99 12) Isophorone 12.02 82 2174634 8.53 ug/L 99 13) bis(2-Chloroethoxy)methane 12.77 93 1296994 7.79 ug/L 98 14) 1,2,4-Trichlorobenzene 13.12 180 665911 6.81 ug/L 99 15) Naphthalene 13.24 128 3013358 8.07 ug/L 99 16) Hexachlorobutadiene 13.84 225 218285 4.58 ug/L 98 18) Hexachlorocyclopentadiene 15.95 237 50453 1.66 ug/L 96 19) 2-Chloronaphthalene 16.65 162 1668153 8.13 ug/L 96 20) Dimethylphthalate 17.89 163 2141598 9.20 ug/L 95 21) 2,6-Dinitrotoluene 18.06 165 279819 5.21 ug/L 100 22) Ac enapht hylene 17.87 152 2634877 8.40 ug/L 99 2 3) Acenaphthene 18.42 153 1827229 8.82 ug/L 98 24) 2,4-Dinitrotoluene 19.18 165 327980 4.42 ug/L 96 25) Diethylphthalate 19.99 149 2218254 10.24 ug/L 100 26) 4-Chlorophenyl-phenylether 20.02 204 979256 9.99 ug/L 92 27) Fluorene 19.90 166 2145941 8.59 ug/L 99 28) Azobenzene/1,2-Diphenylhyd 20.47 77 2547505 8.92 ug/L 97 30) N-nitrosodiphenylamine 20.43 169 1314766 7.92 ug/L 98 31) 4-Bromophenyl-phenylether 21.44 248 537676 8.21 ug/L 97 32) Hexachlorobenzene 21.76 284 569644 8.35 ug/L 98 3 3) Phenanthrene 22.70 178 3343850 9.23 ug/L 99 34) Anthracene 22.82 178 3218387 8.81 ug/L 100 (#) = qualifier out of range (m) = manual integration 0219R2.D HP022102.M Tue Mar 19 11:13:23 2002 Page 1

NYC-WTC_000037657