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GCMS blank analysis results for sample AE04388, March 2002

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Laboratory report of a GCMS blank run for sample AE04388 conducted on March 28, 2002.

NYC-WTC_000011837–000011844

Folder label: “GCMS X 2/28/02 A 3/26/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\l\DATA\MAR2502\LB.D Vial: 9 Acq On : 25 Mar 2002 6:05 pm Operator: Sample : gc/ms scan 2/28 Inst : GC/MS 209 Mise : Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Mar 28 11:05 2002 Quant Results File: GCMS0308.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0308.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Tue Mar 26 14:13:06 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 539272 20.00 ug/1 -0.10 10) Naphthalene-d8 15.88 136 2071385 20.00 ug/1 -0.11 17) Acenaphthene-diO 21.19 164 1106205 20.00 ug/1 -0.12 29) Phenanthrene-diO 25.63 188 1586054 20.00 ug/1 -0.13 38) Chrysene-dl2 33.69 240 858147 20.00 ug/1 -0.15 44) Perylene-dl2 37.94 264 510240 20.00 ug/1 -0.18

System Monitoring Compounds 37) 2,4-DDD 30.71 235 108118 8.33-ug/mL 0.21 Spiked Amount 5.000 Recovery = —166. 60'% ff77a

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 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'-oxybi s(1-Chioropropan 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 0.00 82 0 N.D. 13) bis(2-Chloroethoxy)methane 15.26 93 196 N.D. 14) 1,2,4-Trichiorobenzene 0.00 180 0 N.D. 15) Naphthalene 15.94 128 538 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. 2 2) Acenaphthylene 0.00 152 0 N.D. 2 3) Acenaphthene 0.00 153 0 N.D. 24) 2,4-Dinitrotoluene 21.45 165 307 N.D. 25) Diethylphthalate 22.67 149 246 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 27) Fluorene 22.81 166 208 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D.

(#) = qualifier out of range (m) = manual integration LB.D GCMS0308.M Thu Mar 28 11:06:28 2002 Page 1

NYC-WTC_000011838

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NYC-WTC_000011838Source: NYC Law Department, mirrored locally

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