GC/MS calibration verification results for VOCs, sample AE10895, May 20

NYC 9/11 Public Portal Document yuantltatlon Report (Ml Reviewed)

Data File C:\MSDCHEM\1\DATA\0 516 0 2\CAL2 0.D Vial: 2 Acq On 16 May 2002 3:21 pm Operator: Mclean Sample Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: May 17 15:13:14 2002 Quant Results File: 050102.RES

Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Mon May 13 11:40:29 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.93 152 5764223 40.00 ug/L 0.00 10) Napthalene-d8 13.43 136 23729133 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.57 164 13206658 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.96 188 19832645 40.00 ug/L 0.00 37) Chrysene-dl2 30.82 240 14821044 40.00 ug/L 0.00 43) Perylene-dl2 34.71 264 11106706 40.00 ug/L 0.00

System Monitoring Compounds 27) TCMX / 20.54 209 997733 12.44 ug/L 0.00 Spiked Amount 40,000 1°WJ Recovery 31.10% /42Qvalue Target Compounds />3% 2) n-nitros-dimethyl amine 3.83 74 2076024 17.58 ug/L # 86 3) bis(2-Chloroethyl)ether 9.35 93 4744461 21.04 ug/L 89 4) 1,3-Dichlorobenzene 9.76 146 4614446 20.10 ug/L 99 5) 1,4-Dichlorobenzene 9.98 146 5027042 21.29 ug/L 99 6) 1,2-Dichlorobenzene 10.35 146 4494724 21.42 ug/1 99 7) 2,2'oxybis(1-Chloropropane 10.81 45 7552138m 21.73 ug/L 8) N-nitroso-di-propylamine 11.14 70 3367475 21.06 ug/L 96 9) Hexachloroethane 11.26 117 1895143 21.77 ug/L 93 11) Nitrobenzene 11.49 77 4750916 20.70 ug/L 94 12) Isophorone 12.21 82 8821726 21.33 ug/L 99 13) bis(2-Chloroethoxy) methan 12.95 93 5795663 21.16 ug/L 98 14) 1,2,4-Trichlorobenzene 13.30 180 3741177 21.52 ug/L 98 15) Napthalene 13.49 128 13601643 21.40 ug/L 98 16) Hexachlorobutadiene 13.93 225 1811031 22.23 ug/L 99 18) 2-Chloronaphthalene 16.93 162 7092255 21.06 ug/L 99 19) Dimethylphthalate 18.01 163 8877060 20.56 ug/L 100 20) 2,6-Dinitrotoluene 18.12 165 1539800 22.69 ug/L 92 21) Acenapthylene 18.13 152 12494475 20.06 ug/L 98 2 2) Acenapthalene 18.66 153 7746526 21.57 ug/L 97 23) 2,4-Dinitrotoluene 19.28 165 1820761 18.96 ug/L 95 24) Diethylphthalate 20.15 149 8120516 21.64 ug/L 98 25) 4-Chlorophenyl-phenylether 20.33 204 4260280 21.47 ug/L 99 26) Fluorene 20.20 166 8922753 21.72 ug/L 97 28) Azobenzene 20.78 77 10387836 20.97 ug/L 93 30) Nnitrosodiphenylamine 20.70 169 4375654 17.98 ug/L 94 31) 4-Bromophenyl-phenylether 21.76 248 2220657 22.67 ug/L 98 32) Hexachlorobenzene 21.79 284 2070334 22.08 ug/L 98 33) Phenanthrene 23.02 178 12895970 21.56 ug/L 97 34) Anthracene 23.17 178 12963094 21.18 ug/L 98 35) Di-n-butylphthalate 25.09 149 14195262 21.61 ug/L 100

(#) = qualifier out of range (m) = manual integration CAL20.D 050102.M Fri May 17 15:13:45 2002 Page 1

NYC-WTC_000024059