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GC/MS blank analysis results, sample AE09681, May 2002

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Laboratory report documenting a method blank analysis for GC/MS testing of volatile organic compounds from May 2002.

NYC-WTC_000043824–000043831

Folder label: “GCMS X 4/25/02 A 5/7/02

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Data File C:\HPCHEM\l\DATA\MAY0602\LBA.D Vial: 16 Acq On 7 May 2002 6:59 am Operator: Sample GC/MS SCAN 4/25 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: May 9 9:15 2002 Quant Results File: GCMS0501.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0501.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Wed May 01 10:40:31 2002 Response via : Initial Calibration DataAcq Meth : GCMS0501

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

1) 1,4-Dichlorobenzene-d4 12.20 152 502571 40.00 ug/1 -0.02 10) Naphthalene-d8 15.82 136 1855337 40.00 ug/1 -0.03 17) Acenaphthene-diO 21.14 164 1009342 40.00 ug/1 -0.01 30) Phenanthrene-dlO 25.57 188 1393299 40.00 ug/1 -0.02 38) Chrysene-dl2 33.64 240 765831 40.00 ug/1 -0.03 44) Perylene-dl2 37.86 264 449902 40.00 ug/1 -0.02

System Monitoring Compounds 28) TCMX 23.27 209 32073 6.53 ug/L -0.02 Spiked Amount 10.000 Recovery = 65.30%

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-Dichlorobenzene 12.10 146 532 N.D. 5) 1,4-Dichlorobenzene 12.24 146 606 N.D. 6) 1,2-Dichlorobenzene 12.75 146 378 N.D. 7) 2,21-oxybis(1-Chloropropan 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) 1sophorone 14.54 82 730 N.D. 13) bis(2-Chloroethoxy)methane 15.22 93 502 N.D. 14) 1,2,4-Trichlorobenzene 15.71 ■ 180 399 N.D. 15) Naphthalene 15.88 128 2220 N.D. 16) Hexachlorobutadiene 0.00 225 0 N.D. 18) Hexachlorocyclopentadiene 0.00 237 0 N.D. 19) 2-Chloronaphthalene 19.41 162 856 N.D. 20) Dimethylphthalate 20.48 163 210 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. d 22) Acenaphthylene 20.67 152 997 N.D. 23) Acenaphthene 21.22 153 880 N.D. 24) 2,4-Dinitrotoluene 0.00 165 0 N.D. 25) Diethylphthalate 22.61 149 553 N.D. 26) 4-Chlorophenyl-phenylether 22.77 204 325 N.D. 27) Fluorene 22.75 166 927 N.D. 29) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D. 31) N-Nitrosodiphenylamine 0.00 168 0 N.D. 32) 4-Bromophenyl-phenylether 0.00 248 0 N.D. 33) Hexachlorobenzene 0.00 284 0 N.D. 34) Phenanthrene 25.64 178 1621 N.D.

(#) = qualifier out of range (m) = manual integration LBA.D GCMS0501.M Thu May 09 09:16:18 2002 Page 1

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NYC-WTC_000043825Source: NYC Law Department, mirrored locally

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