GCMS analysis results for sample AE03253, April 2002

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

Data File C:\MSDCHEM\l\DATA\022802\ 25.D Vial: 2 " ‘Acq On 2 Mar 2002 1:41 pm Operator: McLean Sample 2/13/02 GC SCAN Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Mar 04 05:59:49 2002 Quant Results File: 5080202.RES

Quant Method : C:\MSDCHEM\l\5973N\5080202.M (RTE Integrator) Title : Quantitation For Method 508gcscan Last Update : Mon Feb 25 19:17:14 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.62 150 6477139 20.00 ug/L 0.04 10) Naphthalene-d8 13.13 136 17959731 20.00 ug/L 0.06 17) Acenaphthene-diO 18.23 164 10352425 20.00 ug/L 0.06 29) Phenanthrene-dlO 22.61 188 17184479 20.00 ug/L 0.08 38) Chrysene-dl2 30.45 240 13096387 20.00 ug/L 0.09 44) Perylene-dl2 34.30 264 7935439 20.00 ug/L 0.08

System Monitoring Compounds 37) 2,4-ddd surr 27.55 235 156307 0.57 ug/L 0.08 Spiked Amount 5.000 Recovery = 11.40%

Target Compounds 2) N-nitroso-dimethyl amine 3.59 74 5159781 1.4-315 ovalue 26.34 ug/L 100 3) bis(2-chloroethyl) ether 9.13 93 8193745 26.72 ug/L 88 4) 1,3 - Dichlorobenze 9.45 146 7219387 24.93 ug/L 98 5) 1,4 - Dichlorobenzene 9.67 146 6758136 23.49 ug/L 100 6) 1,2 - Dichlorobenzene 10.06 146 6188731 23.23 ug/L 100 7) 2,2 ' - oxybis (l-Chloropr 10.51 45 17309541 23.34 ug/L 96 8) N-Nitroso-di-n-propylamine 10.95 70 4292655 18.25 ug/L 99 9) Hexachloroethane 10.91 117 2827860 . 24.31 ug/L 95 11) Nitrobenzene 11.27 77 10278293 24.55 ug/L 99 12) Isophorone 11.99 82 21092826m 27.62 ug/L 13) bis(2-Chloroethoxy) methan 12.70 93 12019268 25.97 ug/L 99 14) 1,2,4-Trichlorobenzene 12.98 180 6632676 25.97 ug/L 100 15) Naphthalene 13.19 128 22023743 23.32 ug/L 100 16) Hexachlorobutadiene 13.61 225 3486773 24.58 ug/L 99 18) Hexachlorocyclopentadiene 15.67 237 2904709 28.69 ug/L 99 19) 2-chloronaphthalene 16.62 162 14279324 24.14 ug/L 99 20) Dimethylphthalate 17.78 163 16528692 23.42 ug/L 99 21) 2,6-Dinitrotoluene 17.88 165 4303753 29.88 ug/L 96 22) Acenaphthylene 17.80 152 18191447 22.37 ug/L 99 23) Acenaphthene 18.35 153 13138056 23.25 ug/L 99 24) 2,4-Dinitrotoluene 19.05 165 5781726 27.96 ug/L 97 25) Diethylphthalate 19.91 149 14846295 24.55 ug/L 99 26) 4-Chlorophenyl-phenyl ethe 19.99 204 7786783 24.77 ug/L 100 27) Fluorene 19.87 166 16028003 24.89 ug/L 99 28) Azobenzen/ 1,2-Diphenylhyd 20.46 77 21217232 22.97 ug/L 99 30) N-Nitrosodiphenylamine 20.44 169 10106127 22.03 ug/L 99 31) 4-Bromophenyl-phenyl ether 21.43 248 4190527 23.09 ug/L 92 32) Hexachlorobenzene 21.47 284 4668637 25.00 ug/L 97 33) Phenanthrene 22.69 178 22998589 23.09 ug/L 99 34) Anthracene 22.84 178 21741998 22.74 ug/L 100 35) Di-n-butylphthalate 24.74 149 27985846 24.31 ug/L 99 36) Fluoranthene 26.19 202 28514583 24.88 ug/L 99 39) Pyrene 26.82 202 29040934 27.29 ug/L 99 4 0) Butylbenzylphthalate 29.14 149 12876467 28.24 ug/L 98 41) Benzo (a) antracene 30.40 228 22929120 26.69 ug/L 100 42) Bis (2-ethylhexyl) phthala 30.99 149 15612224 26.29 ug/L 97 43) Chrysene 30.54 228 20197050 24.12 ug/L 99 45) Di-n-Octylphthalate 32.84 149 24720622 30.38 ug/L 93 46) Benzo (b) fluoranthene 33.36 252 19198706 28.92 ug/L 97

(#) = qualifier out of range (m) = manual integration CALX25.D 5080202.M Tue Apr 02 12:07:22 2002 Page 1

NYC-WTC_000011207