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GCMS analysis results, sample AE07972, April 18, 2002

Machine-extracted title · confidence 80%

Gas chromatography-mass spectrometry analysis of sample AE07972 documenting other unknown compounds and a 2,4-DDD surrogate recovery value of 76.

NYC-WTC_000047535–000047550

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

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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\MSDCHEM\l\DATA\020415\07972.D Vial: 12 Acq On : 15 Apr 2002 7:47 pm Operator: Nefliu Sample : sample Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Apr 16 11:12:34 2002 Quant Results File: 041202SCAN.RE

Quant Method C:\MSDCHEM\l\METHQDS\041202SCAN.M (Chemstation Integrator) Title 508 Modified GC/MS scan Last Update Tue Apr 16 11:12:29 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 5606485 40.00 ug/L 0.00 10) Napthalene-d8 13.49 136 21101503 40.00 ug/L -0.01 17) Acenapthalene-dlO 18.63 164 12383516 40.00 ug/L 0.00 29) Phenanthranene-dlO 23.02 188 19275097 40.00 ug/L 0.00 37) Chrysene-dl2 30.89 240 16116536 40.00 ug/L -0.02 43) Perylene-dl2 34.79 264 11396893 40.00 ug/L 0.00

System Monitoring Compounds 2 7) TCMX 20.60 207 419414 6.11 ug/L 0.00 Spiked Amount 8.000 Recovery = 76.38%

Target Compounds Qvalue 35) Di-n-butylphthalate 25.16 149 453013 0.81 ug/L 98

(#) = qualifier out of range (m) = manual integration (+) = signals summed 07972.D 041202SCAN.M Tue Apr 16 11:14:15 2002 Page 1

NYC-WTC_000047537

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NYC-WTC_000047537Source: NYC Law Department, mirrored locally

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