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VOC analysis results sample AD25155, Site 524, Oct 2001

Machine-extracted title · confidence 100%

Laboratory report listing VOC analysis results for sample AD25155 from Site 524 collected and processed in October 2001.

NYC-WTC_000000729–000000733

Folder label: “524 up to 11/7/01

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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : M:\INSTRU-1\206\DATA\010CT09\1009Bl.D Vial: 1 Acq On 9 Oct 2001 9:36 am Operator: Sample : lb Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Nov 13 9:50 2001 Quant Results File: HP092601.RES

Quant Method : M:\INSTRU-1\206\METHODS\HP092601.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Wed Sep 26 08:36:04 2001 Response via : Initial Calibration DataAcq Meth : HP092601

Internal Standards R.T. QIon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFHUOROBENZENE 14.34 114 1189615 5.00 ug/L -0.22 22) CHLOROBENZENE-D5 20.91 117 1043058 5.00 ug/L -0.24 50) 1,4-DICHLOROBENZENE-D4 26.08 152 446359 5.00 ug/L -0.24

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.54 65 296425 5.56 ug/L -0.24 Spiked Amount 5.000 Recovery = 111.20% 3) 4-BROMOFLUOROBENZENE 23.49 174 321263 3.67 ug/L -0.25 Spiked Amount 5.000 Recovery = 73.40%! 23) TOLUENE-D8 17.64 98 1492034 5.41 ug/L -0.24 Spiked Amount 5.000 Recovery = 108.20%

Target Compounds Qvalue 10) ACETONE 7.59 43 29432 6.60 ug/L 93 16) 2-BUTANONE (MEK) 11.25 43 5659 0.65 ug/L 88 19) CHLOROFORM 12.04 83 15225 1/ 0.18 ug/L 93 44) 2-HEXANONE 18.37 43 1914 0.20 ug/L 25

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1009B1.D HP092601.M Tue Nov 13 09:52:46 2001 Page 1

NYC-WTC 000000732

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NYC-WTC_000000732Source: NYC Law Department, mirrored locally

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