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GCMS blank results for volatile organics, April 2002

Machine-extracted title · confidence 100%

Laboratory report showing blank analysis results for volatile organic compounds in sample AE08260 from April 2002.

NYC-WTC_000048225–000048255

Folder label: “GCMS X 4/9/02 A 4/17/02

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Scanned page image, NYC-WTC_000048226
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NYC 9/11 Public Portal Document

Quantitation Report (QT Reviewed)

Data File : C:\MSDCHEM\l\DATA\020417\0409LB.D Vial: 4 Acq On : 17 Apr 2002 11:51 am Operator: Nefliu Sample : 04/09 1b Inst Instrumen Mise : Multiplr: 1.00 MS Integration Params: EVENTS.E Quant Time: Apr 18 09:38:23 2002 Quant Results File: 041702SCAN.RE

Quant Method : C:\MSDCHEM\1\METHODS\041702SCAN.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Thu Apr 18 09:38:13 2002 Response via : Initial Calibration DataAcq Meth : 508SCAN

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

1) 1,4-Dichlorobenzene-d4 9.98 152 5143904 40.00 ug/L -0.02 10) Napthalene-d8 13.48 136 19989991 40.00 ug/L -0.03 17) Acenapthalene-dlO 18.63 164 10823383 40.00 ug/L -0.02 29) Phenanthranene-dlO 23.02 188 16200110 40.00 ug/L -0.03 37) Chrysene-dl2 30.88 240 12184242 40.00 ug/L -0.05 43) Perylene-dl2 34.78 264 8267916 40.00 ug/L -0.03

System Monitoring Compounds 27) TCMX 20.60 207 491067 8.18 ug/L 0.00 Spiked Amount 10.000 Recovery 81.80%

Target Compounds Qvalue 35) Di-n-butylphthalate 25.16 149 1011345 1.99 ug/L 99

(#) = qualifier out of range (m) = manual integration (+) = signals summed 0409LB.D 041702SCAN.M Thu Apr 18 09:41:45 2002 Page 1

NYC-WTC_000048226

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NYC-WTC_000048226Source: NYC Law Department, mirrored locally

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