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GCMS blank analysis results for sample AE07972, April 2002

Machine-extracted title · confidence 100%

Laboratory report showing blank analysis results for sample AE07972 conducted between April 4 and April 15, 2002.

NYC-WTC_000047515–000047524

Folder label: “GCMS X 4/4/02 A 4/15/02

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Scanned page image, NYC-WTC_000047516
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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\MSDCHEM\1\DATA\020415\0404LB.D Vial: 8 Acq On : 15 Apr 2002 4:29 pm Operator: Nefliu Sample : 04/04 lab blk Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Apr 16 09:09:53 2002 Quant Results File: 041202SCAN.RE

Quant Method : C:\MSDCHEM\1\METHODS\041202SCAN.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Tue Apr 16 09:05:44 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

Internal Standards R.T. Qlon Response Cone Units Dev(Min) 1) 1,4-Dichlorobenzene-d4 9.99 152 5307675 40.00 ug/L 0.00 10) Napthalene-d8 13.49 136 19969512 40.00 ug/L -0.01 17) Acenapthalene-dlO 18.63 164 11675322 40.00 ug/L -0.01 29) Phenanthranene-dlO 23.02 188 17815008 40.00 ug/L -0.01 37) Chrysene-dl2 30.89 240 14660612 40.00 ug/L -0.02 43) Perylene-dl2 34.79 264 9968720 40.00 ug/L -0.01 System Monitoring Compounds 2 7) TCMX 20.60 207 443568 6.85 ug/L 0.00 Spiked Amount 8.000 Recovery = 85.63% Target Compounds Qvalue 35) Di-n-butylphthalate 25.16 149 286004 0.55 ug/L 99

(#) = qualifier out of range (m) = manual integration (+) = signals summed 0404LB.D 041202SCAN.M Tue Apr 16 09:10:52 2002 Page 1

NYC-WTC_000047516

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NYC-WTC_000047516Source: NYC Law Department, mirrored locally

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