GCMS blank analysis report sample AE12094, June 2002

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Laboratory blank report for GCMS analysis of volatile organic compounds conducted on May 31, 2002.

NYC-WTC_000014956–000014963

Folder label: “GCMS X 5/30/02 A 6/1/02”

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

Data File : C:\HPCHEM\1\DATA\MAY3102\LBA.D Vial: 13 Acq On : 31 May 2002 11:48 pm Operator: Morgan Sample : gc/ms scan 5/30 Inst : 209 Mise : Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Jun 3 11:29 2002 Quant Results File:rGCMS0531.RES *ev Quant Method : C:\HPCHEM\1\METHODS\GCMS0531.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Fri May 31 09:43:55 2002 Response via : Initial Calibration DataAcq Meth : GCMS0531

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-Dichlorobenzene-d4 12.06 152 498179 40.00 ug/1 -0.01 10) Naphthalene-d8 15.69 136 1997771 40.00 ug/1 -0.02 17) Acenaphthene-dl0 20.99 164 963959 40.00 ug/1 -0.01 30) Phenanthrene-diO 25.42 188 1509798 40.00 ug/1 -0.01 38) Chrysene-dl2 33.47 240 913469 40.00 ug/1 -0.03 44) Perylene-dl2 37.66 264 581075 40.00 ug/1 -0.02

System Monitoring Compounds 28) TCMX 23.14 209 201110 30.15 ug/L -0.01 Spiked Amount 40.000 Recovery 75.37% Target Compounds Qvalue 2) N-nitrosodimethylamine 0.00 74 0 N.D. 3) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 4) 1,3-Dichlorobenzene 12.06 146 200 N.D. 5) 1,4-Dichiorobenzene 12.06 146 200 N.D. 6) 1,2-Dichlorobenzene 0.00 146 0 N.D. 7) 2,2'-oxybis(1-Chloropropan 0.00 45 0 N.D. 8) N-Nitrosodi-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) 1sophorone 0.00 82 0 N.D. 13) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 14) 1,2,4-Trichlorobenzene 0.00 180 0 N.D. 15) Naphthalene 15.75 128 305 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 22.49 149 559 N.D. 26) 4-Chiorophenylphenylether 23.13 204 1189 N.D. 27) Fluorene 0.00 166 0 N.D. 29) Azobenzene 0.00 77 0 N.D. 31) N-Nitrosodiphenylamine 23.14 168 706 N.D. 32) 4-Bromophenylphenylether 0.00 248 0 N.D. 33) Hexachlorobenzene 0.00 284 0 N.D. 3 4) Phenanthrene 25.42 178 638 N.D. (#) = qualifier out of range (m) = manual integration LBA.D GCMS0531.M Mon Jun 03 11:29:26 2002 Page 1

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Laboratory blank report for GCMS analysis of volatile organic compounds conducted on May 31, 2002.

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