GCMS blank analysis results, sample AE03017, March 2002

NYC 9/11 Public Portal Document quantitation Report (Q‘1 Reviewed)

Data File C:\MSDCHEM\1\DATA\022802\212REFA.D Vial: 3 . Acq On 1 Mar 2002 2:02 pm Operator: McLean Sample 2/12/02 GC SCAN Inst Instrumen Mise Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Mar 04 05:54:39 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 9.58 150 1570491 20.00 ug/L 0.00 10) Naphthalene-d8 13.05 136 3984650 20.00 ug/L 0.00 17) Acenaphthene-dlO 18.17 164 2190428 20.00 ug/L 0.00 29) Phenanthrene-diO 22.53 188 3426647 20.00 ug/L 0.00 38) Chrysene-dl2 30.35 240 3079570 20.00 ug/L 0.00 44) Perylene-dl2 34.21 264 2123116 20.00 ug/L 0.00

System Monitoring Compounds 37) 2,4-ddd surr 27.46 235 244786 4.50 ug/L 0.00 Spiked Amount 5.000 Recovery = 90.00%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 3.62 74 156343 3.29 ug/L 100 3) bis(2-chloroethyl) ether 9.01 93 465388 6.26 ug/L 84

Ml vw 4) 1,3 - Dichlorobenze 9.41 146 343711 4.90 ug/L 99 5) 1,4 - Dichlorobenzene 9.62 146 347332 4.98 ug/L 96 6) 1,2 - Dichlorobenzene 10.00 146 348113 5.39 ug/L 94 7) 2,2 ' - oxybis (l-Chloropr 10.46 45 1109976 6.17 ug/L 100 8) N-Nitroso-di-n-propylamine 10.79 70 363245 6.37 ug/L 99 9) Hexachloroethane 10.89 117 107559 3.81 ug/L 95 11) Nitrobenzene 11.13 77 457273 4.92 ug/L 98 12) Isophorone 11.85 82 1028804 6.07 ug/L 98 13) bis(2-Chloroethoxy) methan 12.58 93 597500 5.82 ug/L 99 14) 1,2,4-Trichlorobenzene 12.93 180 297229 5.24 ug/L 98 15) Naphthalene 13.11 128 -1247805 5.95 ug/L 99 16) Hexachlorobutadiene 13.56 225 98856 3.14 ug/L 98 18) Hexachlorocyclopentadiene 15.63 237 9591 0.45 ug/L 92 19) 2-chloronaphthalene 16.54 162 701080 5.60 ug/L 99 20) Dimethylphthalate 17.62 163 998018 6.68 ug/L 99 21) 2,6-Dinitrotoluene 17.73 165 165779 5.44 ug/L 98 22) Acenaphthylene 17.72 152 1098355 6.38 ug/L 99 2 3) Acenaphthene 18.25 153 754905 6.31 ug/L 99 24) 2,4-Dinitrotoluene 18.88 165 224450 5.13 ug/L 96 25) Diethylphthalate 19.75 149 963864 7.53 ug/L 100 26) 4-Chlorophenyl-phenyl ethe 19.92 204 458134 6.89 ug/L 97 27) Fluorene 19.78 166 990584 7.27 ug/L 99 28) Azobenzen/ 1,2-Diphenylhyd 20.37 77 1219192 6.24 ug/L 97 30) N-Nitrosodiphenylamine 20.29 169 562855 6.15 ug/L 98 31) 4-Bromophenyl-phenyl ether 21.34 248 262380 7.25 ug/L 95 32) Hexachlorobenzene 21.37 284 278590 7.48 ug/L 97 33) Phenanthrene 22.59 178 1416478 7.13 ug/L 98 34) Anthracene 22.73 178 1329465 6.97 ug/L 100 35) Di-n-butylphthalate 24.67 149 1662845 7.24 ug/L 99 36) Fluoranthene 26.09 202 1624196 7.11 ug/L 98 3 9) Pyrene 26.71 202 1717558 6.86 ug/L 97 40) Butylbenzylphthalate 29.08 149 627619 5.85 ug/L 99 41) Benzo (a) antracene 30.31 228 1347936 6.67 ug/L 99 42) Bis (2-ethylhexyl) phthala 30.94 149 912302 6.53 ug/L 97 43) Chrysene 30.40 228 1412667 7.17 ug/L 99 45) Di-n-Octylphthalate 32.78 149 1270419 5.84 ug/L 98 46) Benzo (b) fluoranthene 33.26 252 1226366 6.90 ug/L 99

(#) = qualifier out of range (m) = manual integration 212REFA.D 5080202.M Mon Mar 04 05:54:52 2002 Page 1

NYC-WTC_000005902