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GCMS blank analysis results, Feb 4, 2002

Machine-extracted title · confidence 100%

Laboratory report of a GCMS blank run performed on February 4, 2002, to verify absence of contamination.

NYC-WTC_000016375–000016382

Folder label: “GCMS X 12/24/01 A 1/9/02 2/15/02

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File C: \HPCHEM\1\DATA\ JAN0802\LBC. D Vial: 4 Acq On 9 Jan 2002 4:40 pm Operator: 209 GALOS Sample gems scan 12/24 Inst : GC/MS 209 Miso Multiplr: 1.00 MS Integration Params: GOOFY.P Quant Time: Feb 6 10:05 2002 Quant Results File: GCMS0103.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS0103.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Thu Dec 13 14:40:46 2001 Response via : Initial Calibration DataAcq Meth : GCMS0103

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

1) 1,4-Dichlorobenzene-d4 11.53 152 897615 20.00 ug/1 0.00 10) Naphthalene-d8 15.13 136 3511008 20.00 ug/1 0.00 17) Acenaphthene-diO 20.40 164 1756846 20.00 ug/1 0.00 29) Phenanthrene-diO 24.81 188 2518121 20.00 ug/1 0.00 3 8) Chrysene-dl2 32.84 240 1519835 20.00 ug/1 0.00 44) Perylene-dl2 36.90 264 886838 20.00 ug/1 0.00

System Monitoring Compounds 37) 2,4-DDD 29.89 235 109619 3.79 ug/mL -0.18 Spiked Amount 5.000 Recovery = 75.80%

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 13.42 82 779 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 15.18 128 1491 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 19.80 163 232 N.D. 21) 2,6-Dinitrotoluene 0.00 165 0 N.D. 22) Acenaphthylene 19.95 152 118 N.D. 23) Ac enapht hene 20.49 153 335 N.D. 24) 2,4-Dinitrotoluene 20.96 165 169 N.D. 25) Diethylphthalate 21.92 149 1744 N.D. 26) 4-Chlorophenyl-phenylether 0.00 204 0 N.D. 2 7) Fluorene 22.02 166 281 N.D. 28) Azobenzen/ 1,2-Diphenylhyd 0.00 77 0 N.D.

(#) = qualifier out of range (m) = manual integration LBC.D GCMS0103.M Wed Feb 06 10:54:11 2002 Page 1

NYC-WTC_000016376

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NYC-WTC_000016376Source: NYC Law Department, mirrored locally

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