GCMS blank analysis results, March 27, 2002

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

< Data File : C:\MSDCHEM\l\DATA\032602\LBB326.D Vial: 26 Acq On : 27 Mar 2002 1:55 am Operator: McLean Sample : LB 3/1/02 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Mar 27 08:58:23 2002 Quant Results File: 5080302.RES

Quant Method : C:\MSDCHEM\l\5973N\5080302.M (RTE Integrator) Title : Quantitation For Method 508gcscan Last Update : Wed Mar 27 06:57:36 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.55 150 1325161 20.00 ug/L 0.00 10) Naphthalene-d8 13.03 136 4025506 20.00 ug/L 0.00 17) Acenaphthene -dl0 18.14 164 2232611 20.00 ug/L 0.00 29) Phenanthrene-diO 22.50 188 3187332 20.00 ug/L 0.00 38) Chrysene-dl2 30.31 240 2630517 20.00 ug/L -0.02 44) Perylene-dl2 34.18 264 1417702 20.00 ug/L 0.00

System Monitoring Compounds 37) 2,4-DDD (SURR) 27.43 235 196098 5.16 ug/L 0.00 Spiked Amount 5.000 Recovery = 103.20%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 0.00 74 0 N.D. 3) bis(2-chloroethyl) ether 0.00 93 0 N.D. 4) 1,3 - Dichlorobenze 0.00 146 0 N.D. 5) 1,4 - Dichlorobenzene 0.00 146 0 N.D. 6) 1,2 - Dichlorobenzene 0.00 146 0 N.D. 7) 2,2 ‘ - oxybis (l-Chloropr 0.00 45 0 N.D. 8) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 0.00 117 0 N.D. 11) Nitrobenzene 0.00 77 0 N.D. 12) Isophorone 0.00 82 0 N.D. 13) bis(2-Chloroethoxy) methan 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 0.00 180 0 N.D. 15) Naphthalene 0.00 128 0 N.D. 16) Hexachlorobutadiene 0.00 225 0 N.D. 18) Hexachlorocyclopentadiene 0.00 237 0 N.D. 19) 2-chloronaphthalene 0.00 162 0 N.D. 20) Dimethylphthalate 0.00 163 0 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. d 22) Acenaphthylene 0.00 152 0 N.D. 23) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 0.00 165 0 N.D. 25) Diethylphthalate 0.00 149 0 N.D. 26) 4-Chlorophenyl-phenyl ethe 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D. 30) N-Nitrosodiphenylamine 0.00 169 0 N.D. 31) 4-Bromophenyl-phenyl ether 0.00 248 0 N.D. 32) Hexachlorobenzene 0.00 284 0 N.D. 3 3) Phenanthrene 0.00 178 0 N.D. 3 4) Anthracene 0.00 178 0 N.D. 35) Di-n-butylphthalate 24.65 149 93822 0.55 ug/L 98 36) Fluoranthene 0.00 202 0 N.D. 39) Pyrene 0.00 202 0 N.D. 40) Butylbenzylphthalate 0.00 149 0 N.D. 41) Benzo (a) antracene 0.00 228 0 N.D. d 42) Bis (2-ethylhexyl) phthala 0.00 149 0 N.D. 43) Chrysene 0.00 228 0 N.D. d 45) Di-n-Octylphthalate 0.00 149 0 N.D. 46) Benzo (b) fluoranthene 0.00 252 0 N.D.

(#) = qualifier out of range (m) = manual integration LBB326.D 5080302.M Wed Mar 27 08:59:28 2002 Page 1

NYC-WTC_000012409