GCMS surrogate recovery data for sample AE03264, April 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed)

Data File : C:\MSDCHEM\l\DATA\022802\508SURR.D Vial: 30 ' Acq On : 2 Mar 2002 2:30 pm Operator: McLean Sample : SURROGATE Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Apr 03 06:08:37 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) l,4-Dichlorobenzene-d4 9.62 150 10250 20.00 ug/L 0.04 10) Naphthalene-d8 13.05 136 53483 20.00 ug/L 0.00 17) Acenaphthene-diO 18.15 164 42495 20.00 ug/L -0.02 29) Phenanthrene-dlO 22.50 188 76320 20.00 ug/L -0.03 38) Chrysene-dl2 30.31 240 84349 20.00 ug/L -0.05 44) Perylene-dl2 34.20 264 78856 20.00 ug/L -0.03

System Monitoring Compounds 37) 2,4-ddd surr Spiked Amount 5.000 27.46 235 250952_) 207.11 ug/L " Recovery = 4142.20% 0.00 u.V9 Target Compounds 2) N-nitroso-dimethyl amine 3) bis(2-chloroethyl) ether 0.00 9.05 74 93 16401 0 N.D. 33.80 ug/L Qvalue

95 02 4) 1,3 - Dichlorobenze 9.46 146 8449 18.44 ug/L 88 5) 1,4 - Dichlorobenzene 9.67 146 11345 24.91 ug/L 86 6) 1,2 - Dichlorobenzene 10.04 146 12769 30.29 ug/L 93 7) 2,2 1 - oxybis (l-Chloropr 10.49 45 25201 21.47 ug/L 80 8) N-Nitroso-di-n-propylamine 10.80 70 20237 54.36 ug/L 99 9) Hexachloroethane 0.00 117 0 N.D. 11) Nitrobenzene 11.16 77 18918 15.17 ug/L 91 12) Isophorone 11.86 82 54834 24.11 ug/L 94 13) bis(2-Chloroethoxy) methan 12.59 93 30832 22.37 ug/L 95 14) 1,2,4-Trichlorobenzene 12.94 180 19417 25.53 ug/L 98 15) Naphthalene 13.12 128 66157 23.52 ug/L 98 16) Hexachlorobutadiene 13.57 225 10236 24.23 ug/L 93 18) Hexachlorocyclopentadiene 0.00 237 0 N.D. 19) 2-chloronaphthalene 16.54 162 47797 19.68 ug/L 96 20) Dimethylphthalate 17.61 163 78504 27.10 ug/L 99 21) 2,6-Dinitrotoluene 17.72 165 8175 13.83 ug/L 89 2 2) Acenaphthylene 17.72 152 78632 23.55 ug/L 98 2 3) Acenaphthene 18.25 153 60098 25.91 ug/L 91 24) 2,4-Dinitrotoluene 18.88 165 11360 13.38 ug/L 91 25) Diethylphthalate 19.75 149 74991 30.22 ug/L 99 26) 4-Chlorophenyl-phenyl ethe 19.92 204 36927 28.61 ug/L 95 27) Fluorene 19.78 166 78979 29.88 ug/L 92 28) Azobenzen/ 1,2-Diphenylhyd 20.36 77 84660 22.33 ug/L 95 30) N-Nitrosodiphenylamine 20.28 169 44036 21.62 ug/L 94 31) 4-Bromophenyl-phenyl ether 21.34 248 18686 23.19 ug/L 97 3 2) Hexachlorobenzene 21.36 284 25873 31.19 ug/L 96 3 3) Phenanthrene 22.58 178 119539 27.02 ug/L 99 34) Anthracene 22.73 178 87580 20.62 ug/L 98 35) Di-n-butylphthalate 24.66 149 126041 24.65 ug/L 99 36) Fluoranthene 26.08 202 143109 28.11 ug/L 96 39) Pyrene 26.70 202 149916 21.87 ug/L 98 40) Butylbenzylphthalate 29.07 149 52087 17.74 ug/L 93 41) Benzo (a) antracene 30.30 228 108535 19.61 ug/L 97 42) Bis (2-ethylhexyl) phthala 30.94 149 70240 18.36 ug/L 93 43) Chrysene 30.39 228 128500 23.82 ug/L 96 45) Di-n-Octylphthalate 32.77 149 112569 13.92 ug/L 98 46) Benzo (b) fluoranthene 33.24 252 134216 20.34 ug/L 97

(#) = qualifier out of range (m) = manual integration 508SURR.D 5080202.M Wed Apr 03 06:09:23 2002 Page 1

NYC-WTC_000011337