GCMS blank analysis results, June 10 2002

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

Data File C:\MSDCHEM\1\DATA\0 6 0 6 02\CAL4.D Vial: 2 Acq On 6 Jun 2002 11:00 am Operator: McLean Sample Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Jun 06 12:50:03 2002 Quant Results File: 060302.RES

Quant Method : C:\MSDCHEM\1\METHODS\060302.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Wed Jun 05 14:47:27 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) l,4-dichlorobenzene-d4 9.89 152 3861495 40.00 ug/L 0.00 10) Napthalene-d8 13.39 136 16349731 40.00 ug/L 0.00 17) Acenapthalene-dlO 18.53 164 8912071 40.00 ug/L 0.00 29) Phenanthranene-dlO 22.91 188 13774132 40.00 ug/L 0.00 37) Chrysene-dl2 30.78 240 8729314 40.00 ug/L 0.02 43) Perylene-dl2 34.66 264 5014021 40.00 ug/L 0.00

System Monitoring Compounds 27) TCMX 20.51 209 2667490 40.86 ug/L 0.00 Spiked Amount 40.000 Recovery = 102.15%

Target Compounds Qvalue 2) n-nitros-dimethyl amine 3.79 74 6776229 93.35 ug/L 92 3) bis(2-Chloroethyl)ether 9.31 93 12501136 88.27 ug/L 98 4) 1,3-Dichlorobenzene 9.73 146 11792075 83.91 ug/L 98 5) 1,4-Dichlorobenzene 9.94 146 12694288 83.24 ug/L 98 6) 1,2-Dichlorobenzene 10.32 146 11302882 83.89 ug/1 98 7) 2,2'oxybis(1-Chloropropane 10.77 45 19831267m 88.33 ug/L 8) N-nitroso-di-propylamine 11.11 70 9068321 91.15 ug/L 96 9) Hexachloroethane 11.22 117 5094721 87.94 ug/L 97 11) Nitrobenzene 11.47 77 12925256 84.18 ug/L 97 12) 1sophorone 12.18 82 23414008 84.63 ug/L 99 13) bis(2-Chloroethoxy) methan 12.92 93 15289524 83.24 ug/L 98 14) 1,2,4-Trichlorobenzene 13.27 180 9773488 81.71 ug/L 100 15) Napthalene 13.46 128 33791005 80.82 ug/L 100 16) Hexachlorobutadiene 13.89 225 4690708 83.12 ug/L 100 18) 2-Chloronaphthalene 16.90 162 18301068 83.26 ug/L 99 19) Dimethylphthalate 17.99 163 24032073 85.13 ug/L 100 20) 2,6-Dinitrotoluene 18.11 165 4257656 81.53 ug/L 97 21) Acenapthylene 18.10 152 30458983 81.90 ug/L 99 22) Acenapthalene 18.63 153 19229155 82.72 ug/L 99 23) 2,4-Dinitrotoluene 19.26 165 6136865 80.37 ug/L 90 24) Diethylphthalate 20.12 149 21481046 88.01 ug/L 98 25) 4-Chlorophenyl-phenylether 20.30 204 11076850 82.91 ug/L 99 26) Fluorene 20.17 166 22688163 83.45 ug/L 97 28) Azobenzene 20.75 77 27936197 87.41 ug/L 97 30) Nnitrosodiphenylamine 20.67 169 12514941 79.19 ug/L 100 31) 4-Bromophenyl-phenylether 21.73 248 5594949 82.30 ug/L 96 32) Hexachlorobenzene 21.77 284 5310520 81.65 ug/L 98 33) Phenanthrene 22.99 178 32246573 81.51 ug/L 100 34) Anthracene 23.14 178 33684615 83.06 ug/L 100 35) Di-n-butylphthalate 25.06 149 36462477 87.74 ug/L 99

(#) = qualifier out of range (m) = manual integration CAL4.D 060302.M Thu Jun 06 12:51:11 2002 Page 1

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