GCMS blank analysis results for volatile organics, May 2002

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Laboratory report of gas chromatography mass spectrometry blank analysis for volatile organic compounds conducted on May 9, 2002.

NYC-WTC_000023207–000023215

Folder label: “GCMS X 5/8/02 A 5/9/02”

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Data File C:\HPCHEM\1\DATA\MAYO9O2\LB .D Vial: 3 Acq On 9 May 2002 4:15 pm Operator: Sample GC/MS SCAN 5/8 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: May 10 10:00 2002 Quant Results File: GCMS0510.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0510.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Fri May 10 09:59:40 2002 Response via : Initial Calibration DataAcq Meth : GCMS0507

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

1) 1,4-Dichlorobenzene-d4 12.19 152 487338 40.00 ug/1 0.00 10) Naphthalene-d8 15.83 136 1780817 40.00 ug/1 0.00 17) Acenaphthene-dl0 21.13 164 965267 40.00 ug/1 0.00 30) Phenanthrene-dl0 25.58 188 1347127 40.00 ug/1 0.00 38) Chrysene-dl2 33.63 240 813900 40.00 ug/1 0.00 44) Perylene-dl2 37.86 264 485584 40.00 ug/1 0.00

System Monitoring Compounds 28) TCMX 23.28 209 160196 33.36 ug/L 0.00 Spiked Amount 40.000 Recovery 83.40%

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 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-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) Isophorone 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 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. 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 22.61 149 397 N.D. 26) 4-Chlorophenylphenylether 0.00 204 0 N.D. 27) Fluorene 0.00 166 0 N.D. 29) Azobenzene 0.00 77 0 N.D. 31) N-Nitrosodiphenylamine 23.27 168 382 N.D. 32) 4-Bromophenylphenylether 0.00 248 0 N.D. 33) Hexachlorobenzene 0.00 284 0 N.D. 3 4) Phenanthrene 25.58 178 466 N.D. (#) = qualifier out of range (m) = manual integration LB.D GCMS0510.M Fri May 10 10:01:08 2002 Page 1

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