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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\917.D Vial: 8 Acq On : 16 Jan 2002 8:42 pm Operator: 201-wb Sample : nyc Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 5 13:04 2002 Quant Results File: HP010702.RES

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 154949 5.00 ug/L -0.05 24) CHLOROBENZENE-D5 21.76 117 239329 5.00 ug/L -0.09 52) 1,4-DICHLOROBENZENE-D4 26.94 152 188558 5.00 ug/L -0.09

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.34 65 194726 9.68 ug/L -0.09 Spiked Amount 5.000 Recovery = 193.60% 3) 4-BROMOFLUOROBENZENE 24.36 174 104456 9.95 ug/L -0.07 Spiked Amount 5.000 Recovery = 199.00% 25) TOLUENE-D8 18.47 98 232912 3.65 ug/L -0.07 Spiked Amount 5.000 Recovery = 73.00%

Target Compounds Qvalue 5) CHLOROMETHANE 5.47 50 2178 0.29 ug/L 90 7) BROMOMETHANE 6.41 94 3179 0.65 ug/L 67 12) ACETONE 8.27 43 19753 9.83 ug/L 98 -~- 18) 2-BUTANONE (MEK) 11.99 43 6624 2.24 ug/L 65 46) 2-HEXANONE 19.20 43 434 0.08 ug/L 36

(#) = qualifier out of range (m) = manual integration 917.D HP010702.M Tue Feb 05 13:05:01 2002 Page 1

NYC-WTC 000003378

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NYC-WTC_000003378Source: 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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