GCMS blank analysis results, May-June 2002

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Laboratory report confirming the absence of target compounds in a procedural blank sample to verify analytical cleanliness.

NYC-WTC_000012653–000012660

Folder label: “GCMS X 5-20-02 A 5-22-02”

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed) Data File : C:\HPCHEM\1\DATA\MAY2102\LB.D Vial: 3 Acq On : 22 May 2002 3:22 am Operator: Sample : EXTRACT5/20 Inst : 209 Mise Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: May 22 13:30 2002 Quant Results File: GCMS0520.RES Quant Method : C:\HPCHEM\1\METHODS\GCMS0520.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Wed May 22 09:03:22 2002 Response via : Initial Calibration DataAcq Meth : GCMS0520

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-Dichlorobenzene-d4 12.14 152 386685 40.00 ug/1 0.00 10) Naphthalene-d8 15.77 136 1522925 40.00 ug/1 -0.02 17) Acenaphthene-diO 21.08 164 722021 40.00 ug/1 -0.01 30) Phenanthrene-diO 25.52 188 914178 40.00 ug/1 -0.01 38) Chrysene-dl2 33.58 240 495669 40.00 ug/1 -0.03 44) Perylene-dl2 37.78 264 323341 40.00 ug/1 -0.02 System Monitoring Compounds 28) TCMX 23.22 209 140133 38.62 ug/L -0.01 Spiked Amount 40.000 Recovery 96.55% 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-Dichiorobenzene 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) 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 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 20.44 163 299 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. d 2 2) 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 22.56 149 1333 N.D. 26) 4-Chlorophenylphenylether 23.22 204 529 N.D. 27) Fluorene 0.00 166 0 N.D. 29) Azobenzene 0.00 77 0 N.D. 31) N-Nitrosodiphenylamine 23.22 168 341 N.D. 32) 4-Bromophenylphenylether 0.00 248 0 N.D. 3 3) Hexachlorobenzene 0.00 284 0 N.D. 3 4) Phenanthrene 0.00 178 0 N.D. (#) = qualifier out of range (m) = manual integration LB.D GCMS0520.M Wed May 22 13:31:03 2002 Page 1

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GC/MS blank analysis results, sample AE09683, May 9-10 2002 · Box DEP Box 18

NYC-WTC_000023551

Laboratory report showing GC/MS blank analysis for sample AE09683 with non-detect results for volatile organic compounds.

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