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GCMS blank analysis results, April 2002

Machine-extracted title · confidence 100%

Laboratory report showing non-detect results for volatile organic compounds in a method blank analyzed on April 2, 2002.

NYC-WTC_000058819–000058825

Folder label: “GCMS X 3/7/02 A 3/30/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File C:\HPCHEM\1\DATA\MAR3 0 02\LBA.D Vial: 16 Acq On 30 Mar 2002 5:51 am Operator : Sample gc/ms scan 3/7 Inst : GC/MS 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Mar 30 6:40 2002 Quant Results File: GCMS0308.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Fri Mar 29 10:31:28 2002 Response via : Initial Calibration DataAcq Meth : GCMS0308

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

1) 1,4-Dichlorobenzene-d4 12.25 152 475889 20.00 ug/1 -0.10 10) Naphthalene-d8 15.89 136 1737458 20.00 ug/1 -0.11 17) Acenaphthene-dlO 21.19 164 969110 20.00 ug/1 -0.12 29) Phenanthrene-dlO 25.64 188 1357163 20.00 ug/1 -0.13 38) Chrysene-dl2 33.70 240 670079 20.00 ug/1 -0.15 44) Perylene-dl2 37.93 264 363241 20.00 ug/1 -0.19

System Monitoring Compounds 37) 2,4-DDD . 30.71 235 79434 5.83 ug/mL 0.21 Spiked Amount 5.000 Recovery = 116.60%

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 12.16 .146 499 N.D. 5) 1,4-Dichlorobenzene 12.29 146 366 N.D. 6) 1,2-Dichlorobenzene 12.82 146 133 N.D. 7) 2,2'-oxybis(1-Chloropropan 0.00 45 0 N.D. 8) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 9) Hexachloroethane 13.66 117 290 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 15.78 180 123. N.D. 15) Naphthalene 15.94 128 532 N.D. 16) Hexachlorobutadiene 16.49 225 668 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 22.67 149 463 N.D. 26) 4-Chlorophenyl-phenylether 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.

(#) = qualifier out of range (m) = manual integration LBA.D GCMS0308.M Tue Apr 02 12:30:23 2002 Page 1

NYC-WTC_000058820

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NYC-WTC_000058820Source: NYC Law Department, mirrored locally

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