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VOCs GC/MS lab blank results, Jan 16 2002

Machine-extracted title · confidence 95%

Gas chromatography mass spectrometry analysis report for a laboratory blank testing volatile organic compounds on January 16, 2002.

NYC-WTC_000003343–000003381

Folder label: “524 1/22/02

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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\02JAN16\1038.D Vial: 12 Acq On : 16 Jan 2002 11:34 pm Operator: 201-wb Sample : nyc Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 5 13:00 2002 Quant Results File: HP010702.R

Quant Method : C:\HPCHEM\1\METHODS\HP010702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Jan 25 14:13:49 2002 Response via : Initial Calibration DataAcq Meth : HP010702

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 15.12 114 156062 5.00 ug/L -0.05 24) CHLOROBENZENE-D5 21.76 117 254677 5.00 ug/L -0.09 52) 1,4-DICHLOROBENZENE-D4 26.95 152 202702 5.00 ug/L -0.07

System Monitoring Compounds 7 2) 1,2-DICHLOROETHANE-D4 14.35 65 190961 9.43 ug/L -0.07 Spiked Amount 5.000 Recovery = 188.60% :. 3) 4-BROMOFLUOROBENZENE 24.36 174 119031 11.26 ug/L -0.07 Spiked Amount 5.000 Recovery = 225.20% 25) TOLUENE-D8 18.47 98 240615 3.55 ug/L -0.07 r„ m Spiked Amount 5.000 Recovery = 71.00% ~--

Target Compounds Qvalue 12) ACETONE 8.27 43 13770 6.80 ug/L 89 --_ 18) 2-BUTANONE (MEK) 12.02 43 5203 1.67 ug/L 65 46) 2-HEXANONE 19.21 43 1825 0.32 ug/L 36

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1038.D HP010702.M Tue Feb 05 13:00:19 2002 Page 1

NYC-WTC 000003366

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NYC-WTC_000003366Source: NYC Law Department, mirrored locally

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VOCs GC/MS lab blank results, Jan 11 2002 · Box DEP Box 04

NYC-WTC_000003326

Gas chromatography mass spectrometry analysis report for a laboratory blank testing volatile organic compounds on January 11, 2002.

6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995

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