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Volatile organic compounds blank results, Feb 28 2002

Machine-extracted title · confidence 95%

Laboratory analysis results for volatile organic compounds blank sample AE03921 dated February 28, 2002.

NYC-WTC_000020548–000020749

Folder label: “524 2/28/02 TO 3/2/02

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Scanned page image, NYC-WTC_000020603
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\l\DATA\02feb28\03 921.D Vial: 15 Acq On : 28 Feb 2002 8:03 pm Operator: Sample : nyc Inst : 210 Mise : February 28, 2002 Multiplr: 1.00 MS Integration Params: GAS5.P Quant Time: Feb 28 20:43 2002 Quant Results File: HP021102.RES

Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCS BY EPA METHOD 524 Last Update : Thu Feb 28 12:27:24 2002 Response via : Initial Calibration DataAcq Meth : HP021102

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

1) 1,4-DIFLUOROBENZENE 15.58 114 640944 5.00 ug/L 0.00 21) CHLOROBENZENE-D5 23.35 82 354100 5.00 ug/L 0.01 49) 1,4-DICHLOROBENZENE-D4 29.41 152 277699 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,2-Dichloroethane-d4 14.63 65 156484 5.75 ug/L 0.00 Spiked Amount 5.000 Recovery = 115.00% 22) Toluene-d8 19.49 98 816228 4.56 ug/L 0.00 Spiked Amount 5.000 Recovery = 91.20% 50) 4-Bromofluorobenzene 26.42 95 294885 5.08 ug/L 0.03 Spiked Amount 5.000 Recovery = 101.60%

Target Compounds Qvalue 9) ACETONE 8.02 43 8624 11.88 ug/L 81 12) METHYL TERT BUTYL ETHER 9.33 73 5407 0.07 ug/L 99 18) CHLOROFORM 30 12.79 83 2101192 29.66 ug/L 99 30) BROMODICHLOROMETHANE 3. & 17.51 83 182993 3.76 ug/L 99 34) TOLUENE 19.70 92 7280 0.05 ug/L 98 44) ETHYLBENZENE 23.76 91 5071 0.02 ug/L 77

(#) = qualifier out of range (m) = manual integration 03921.D HP021102.M Thu Feb 28 20:43:43 2002 Page 1

NYC-WTC_000020603

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NYC-WTC_000020603Source: NYC Law Department, mirrored locally

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