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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\1042F.D Vial: 17 Acq On : 17 Jan 2002 3:10 am Operator: 201-wb Sample : nyc fb Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 5 13:02 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 220449 5.00 ug/L -0.05 24) CHLOROBENZENE-D5 21.78 117 314566 5.00 ug/L -0.07 52) 1,4-DICHLOROBENZENE-D4 26.95 152 205220 5.00 ug/L -0.07

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.35 65 245442 8.58 ug/L -0.07 Spiked Amount 5.000 Recovery = 171.60% :. 3) 4-BROMOFLUOROBENZENE 24.36 174 135006 9.04 ug/L -0.07 Spiked Amount 5.000 Recovery = 180.80% 25) TOLUENE-D8 18.48 98 328731 3.92 ug/L -0.05 - Spiked Amount 5.000 Recovery = 78.40%

Target Compounds Qvalue 5) CHLOROMETHANE 5.50 50 3132 0.29 ug/L 98 7) BROMOMETHANE 6.85 94 2476 0.35 ug/L 56 10) Isopropyl Alcohol 7.91 45 5879 24.67 ug/L 77 11) 1,1,2-Trichloro-1,2,2-trif 7.96 101 1194 0.10 ug/L 99 12) ACETONE 8.27 43 50504 17.67 ug/L 93 14) METHYLENE CHLORIDE 9.63 49 18851 0.93 ug/L 85 18) 2-BUTANONE (MEK) 12.04 43 6206 1.36 ug/L 65 37) TOLUENE 18.66 91 3835 0.07 ug/L 92 46) 2-HEXANONE 19.27 43 481 0.07 ug/L 36

------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1042F.D HP010702.M Tue Feb 05 13:02:40 2002 Page 1

NYC-WTC 000003374

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NYC-WTC_000003374Source: 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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