GCMS blank analysis results for volatile organics, Mar 2002

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

Data File : C:\MSDCHEM\1\DATA\031202\LBBB312.D Vial: 54 * Acq On : 13 Mar 2002 12:18 am Operator: McLean Sample : LB 2/19/02 Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: BENZO.P Quant Time: Mar 15 13:48:23 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 9.55 150 1642482 20.00 ug/L 0.00 10) Naphthalene-d8 13.03 136 4433973 20.00 ug/L 0.00 17) Acenaphthene-diO 18.14 164 2456856 20.00 ug/L 0.00 29) Phenanthrene-diO 22.50 188 3822244 20.00 ug/L 0.00 38) Chrysene-dl2 30.31 240 3663920 20.00 ug/L 0.00 44) Perylene-dl2 34.19 264 2404806 20.00 ug/L 0.00

System Monitoring Compounds 37) 2,4-ddd surr 27.44 235 310882 6.82 ug/L 0.00 Spiked Amount 5.000 Recovery = 136.40%

Target Compounds Qvalue 2) N-nitroso-dimethyl amine 0.00 74 0 N.D. 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 (1-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 2 2) Acenaphthylene 0.00 152 0 N.D. 2 3) 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. 3 2) Hexachlorobenzene 0.00 284 0 N.D. 33) Phenanthrene 0.00 178 0 N.D. d 3 4) Anthracene 0.00 178 0 N.D. d 35) Di-n-butylphthalate 0.00 149 0 N.D. d 36) Fluoranthene 0.00 202 0 N.D. d 39) Pyrene 0.00 202 0 N.D. d 40) Butylbenzylphthalate 29.05 149 14375 0.13 ug/L 91 41) Benzo (a) antracene 0.00 228 0 N.D. d 42) Bis (2-ethylhexyl) phthala 30.91 149 49211 0.34 ug/L 98 43) Chrysene 30.38 228 117808 0.64 ug/L 94 45) Di-n-Octylphthalate 0.00 149 0 N.D. d 46) Benzo (b) fluoranthene 33.23 252 55980 0.33 ug/L 94

(#) = qualifier out of range (m) = manual integration LBBB312.D 5080302.M Fri Mar 15 13:51:43 2002 Page 1

NYC-WTC_000037511