GCMS analysis results for sample AE10303, May 2002

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

Data File C:\MSDCHEM\l\DATA\050802\CAL20.D Vial: 2 Acq On 8 May 2002 11:34 pm Operator: Mclean Sample Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: May 09 15:45:35 2002 Quant Results File: 050102.RES

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Tue May 07 09:57:23 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.94 152 6393351 40.00 ug/L 0.00 10) Napthalene-d8 13.43 136 25669278 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.57 164 13931614 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.96 188 20565177 40.00 ug/L 0.00 37) Chrysene-dl2 30.82 240 15373506 40.00 ug/L 0.00 43) Perylene-dl2 34.71 264 10763668 40.00 ug/L 0.00

System Monitoring Compounds 2 7) TCMX 20.54 209 1079428 10.37 ug/L 0.00 Spiked Amount 10.000 Recovery = 103.70% 50) 2,4-ddd 0.00 235 0 0.00 ug/L Spiked Amount 5.000 Recovery = 0.00%

Target Compounds //- 2-0 Qvalue 2) n-nitros-dimethyl amine 3.84 74 2325635 17.75 ug/L # 86 3) bis(2-Chloroethyl)ether 9.35 93 5146748 20.57 ug/L 89 4) 1,3-Dichlorobenzene 9.77 146 5073950 19.92 ug/L 99 5) 1,4-Dichlorobenzene 9.98 146 5551155 21.20 ug/L 99 6) 1,2-Dichlorobenzene 10.36 146 4922670 21.15 ug/1 99 7) 2,2‘oxybis(1-Chloropropane 10.81 45 7922537m 20.55 ug/L 8) N-nitroso-di-propylamine 11.14 70 3632388 20.48 ug/L 97 9) Hexachloroethane 11.26 117 2060381 21.34 ug/L 94 11) Nitrobenzene 11.50 77 5067013 20.41 ug/L 96 12) Isophorone 12.21 82 9483166 21.20 ug/L 99 13) bis(2-Chloroethoxy) methan 12.95 93 6186518 20.88 ug/L 98 14) 1,2,4-Trichlorobenzene 13.30 180 4088280 21.74 ug/L 97 15) Napthalene 13.49 128 14814075 21.54 ug/L 98 16) Hexachlorobutadiene 13.93 225 1938471 22.00 ug/L 98 18) 2-Chloronaphthalene 16.93 162 7619505 21.44 ug/L 98 19) Dimethylphthalate 18.01 163 9338137 20.51 ug/L 99 20) 2,6-Dinitrotoluene 18.12 165 1544127 21.57 ug/L # 90 21) Acenapthylene 18.13 152 13550032 20.62 ug/L 98 22) Acenapthalene 18.66 153 8205201 21.66 ug/L 97 23) 2,4-Dinitrotoluene 19.28 165 1765843 17.43 ug/L 92 24) Diethylphthalate 20.15 149 8625030 21.78 ug/L 98 25) 4-Chlorophenyl-phenylether 20.33 204 4516440 21.58 ug/L 100 26) Fluorene 20.20 166 9583792 22.12 ug/L 97 28) Azobenzene 20.78 77 11161746 21.36 ug/L 94 30) Nnitrosodiphenylamine 20.70 169 5617799 22.26 ug/L 96 31) 4-Bromophenyl-phenylether 21.76 248 2301559 22.66 ug/L 97 32) Hexachlorobenzene 21.79 284 2157401 22.19 ug/L 98 33) Phenanthrene 23.02 178 13442950 21.67 ug/L 96

(#) = qualifier out of range (m) = manual integration CAL20.D 050102.M Thu May 09 15:46:28 2002 Page 1

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