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Volatile organic compound analysis results, sample AE07502, April 2002

Machine-extracted title · confidence 100%

Laboratory report listing volatile organic compounds and concentrations for sample AE07502 with method detection limit qualifiers.

NYC-WTC_000081566–000081673

Folder label: “524 4/3/02

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NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed)

Data File C:\HPCHEM\l\DATA\02APR03\7502.D Vial: 5 Acg On 3 Apr 2002 7:01 pm Operator: 201-wb Sample nyc Inst : GC/MS Ins Mise Multiplr: 1.00. MS Integration Params: RTEINT.P Quant Time: Apr 4 9:02.2002 Quant Results File; HP031802.RES

Quant Method : C:\HPCHEM\1\METHODS\HP031802.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update' : Thu Mar 28 14:51:00 2002 Response via : Initial Calibration DataAcq Meth : HP031802

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

1) 1,4-DIFLUOROBENZENE 15.10 114 1951186 5.00 ug/L 0.05 24) CHLOROBENZENE-D5 21.76 117 1586042 5.00 ug/L 0.05 52) 1,4-DICHLOROBENZENE-D4 26.95 152 709873 5.00 ug/L 0.07

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.34 65 948811 5.90 ug/L 0.05 Spiked Amount 5.000 Recovery = 118.00% 3) 4-bromofluorobenzene 24.35 174 601465 3.81 ug/L 0.05 Spiked Amount 5.000 Recovery = 76.20% 25) TOLUENE-D8 18.46 98 2244313 5.84 ug/L 0.05 Spiked Amount 5.000 Recovery = 116.80%

Target Compounds Qvalue -s. 4) DICHLORODIFLUOROMETHANE 4.85 85 6745 0.10 ug/L 5) CHLOROMETHANE 5.47 50 20909 0.27 ug/L 79 / 6) VINYL CHLORIDE 5.61 62 6729 0.14 ug/L 85 ( 7) BROMOMETHANE 6.60 94 5532 0.12 ug/L 83 7 9) TRICHLOROFLUOROMETHANE 7.27 101 8102 0.08 ug/L 12) ACETONE 8.26 43 25722 1.95 ug/L 94 14) METHYLENE CHLORIDE 9.62 49 7031 0.07 ug/L 80 18) 2-BUTANONE (MEK) 12.05 43 4210 0.29 ug/L 54 46) 2-HEXANONE 19.20 43 1400 0.08 ug/L 27

{#) = qualifier out of range (m) = manual integration 7502.D HP031802.M Thu Apr 04 09:02:55 2002 Page 1

NYC-WTC_000081612

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NYC-WTC_000081612Source: NYC Law Department, mirrored locally

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