GCMS reference analysis results, March 2002

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

Data File : C:\MSDCHEM\1\DATA\031602\0315REF2.D Vial: 3 Acq On : 16 Mar 2002 10:53 am Operator: McLean Sample : 3/15 Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Mar 20 06:23:43 2002 Quant Results File: 5080302.RES

Quant Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Last Update : Thu Mar 14 13:02:27 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.54 150 1403710 20.00 ug/L 0.00 10) Naphthalene-d8 13.03 136 3657830 20.00 ug/L 0.00 17) Acenaphthene-diO 18.14 164 2027712 20.00 ug/L 0.00 29) Phenanthrene-diO 22.50 188 3146309 20.00 ug/L 0.00 38) Chrysene-dl2 30.31 240 2868546 20.00 ug/L 0.00 44) Perylene-dl2 34.19 264 1734131 20.00 ug/L 0.00

System Monitoring Compounds 37) 2,4-ddd surr 27.44 235 265711 7.08 ug/L 0.00 Spiked Amount 5.000 Recovery = 141.60%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 3.59 74 160754 5.10 ug/L 100 3) bis(2-chloroethyl) ether 8.98 93 491502 9.89 ug/L 84 4) 1,3 - Dichlorobenze 9.38 146 381492 7.76 ug/L 97 5) 1,4 - Dichlorobenzene 9.59 146 397552 8.11 ug/L 97 6) 1,2 - Dichlorobenzene 9.97 146 405144 8.93 ug/L 99 7) 2,2 1 - oxybis (l-Chloropr 10.43 45 1164848 10.29 ug/L 99 8) N-Nitroso-di-n-propylamine 10.75 70 395924 11.08 ug/L 98 9) Hexachloroethane 10.86 117 139959 7.60 ug/L 96 11) Nitrobenzene 11.10 77 512670 7.78 ug/L 96 12) Isophorone 11.81 82 1047007 8.64 ug/L 98 13) bis(2-Chloroethoxy) methan 12.55 93 603095 8.27 ug/L 98 14) 1,2,4-Trichlorobenzene 12.90 180 343820 8.21 ug/L 97 15) Naphthalene 13.08 128 1422637 9.36 ug/L 100 16) Hexachlorobutadiene 13.53 225 161385 6.89 ug/L 99 18) Hexachlorocyclopentadiene 15.61 237 36287 2.03 ug/L 94 19) 2-chloronaphthalene 16.51 162 803755 8.68 ug/L 99 20) Dimethylphthalate 17.60 163 1159914 10.50 ug/L 99 21) 2,6-Dinitrotoluene 17.70 165 221350m 9.41 ug/L 22) Acenaphthylene 17.70 152 1325028 10.32 ug/L 99 23) Acenaphthene 18.22 153 888944 10.18 ug/L 99 24) 2,4-Dinitrotoluene 18.86 165 289118 8.59 ug/L 95 25) Diethylphthalate 19.72 149 1088129 11.44 ug/L 99 26) 4-Chlorophenyl-phenyl ethe 19.90 204 537753 10.61 ug/L 98 27) Fluorene 19.76 166 1150076 11.17 ug/L 99 28) Azobenzen/ 1,2-Diphenylhyd 20.35 77 1340440 9.56 ug/L 96 30) N-Nitrosodiphenylamine 20.26 169 656723 9.71 ug/L 99 31) 4-Bromophenyl-phenyl ether 21.32 248 312639 11.26 ug/L 91 32) Hexachlorobenzene 21.34 284 315665 10.78 ug/L 97 33) Phenanthrene 22.56 178 1625314 11.15 ug/L 99 34) Anthracene 22.70 178 1505550 10.41 ug/L 99 35) Di-n-butylphthalate 24.65 149 1918710 11.49 ug/L 100 36) Fluoranthene 26.06 202 1825417 11.02 ug/L 99 39) Pyrene 26.69 202 1929420 9.73 ug/L 97 40) Butylbenzylphthalate 29.05 149 795277 9.37 ug/L 98 41) Benzo (a) antracene 30.29 228 1518942 10.09 ug/L 99 42) Bis (2-ethylhexyl) phthala 30.91 149 1102960 9.83 ug/L 96 43) Chrysene 30.38 228 1600848 11.19 ug/L 97 45) Di-n-Octylphthalate 32.75 149 1589493 8.53 ug/L 99 46) Benzo (b) fluoranthene 33.23 252 1293340 10.58 ug/L 98

(#) = qualifier out of range (m) = manual integration 0315REF2.D 5080302.M Wed Mar 20 06:26:49 2002 Page 1

NYC-WTC_000039219