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← Document results/DEP Box 17/524 2/6/02 - 2/7/02
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VOC analysis results, sample AE02089, Feb 7 2002

Machine-extracted title · confidence 95%

Laboratory results for volatile organic compounds in sample AE02089 analyzed on February 7, 2002.

NYC-WTC_000019422–000019569

Folder label: “524 2/6/02 - 2/7/02”

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

Data File C:\HPCHEM\1\DATA\0 2FEB0 6\0 2 0 6R5A.D Vial: 4 Acq On 6 Feb 2002 4:30 pm Operator: 201-wb Sample ref 5 Inst : GC/MS Ins Mise Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 6 20:59 2002 Quant Results File: HP013102 .RES

Quant Method : C:\HPCHEM\1\METHODS\HP013102.M (RTE Integrator) Title : VOCS BY EPA METHOD 524 Last Update : Fri Feb 01 13:18:32 2002 Response via : Initial Calibration DataAcq Meth : HP013102

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

1) 1,4-DIFLUOROBENZENE 15.10 114 1941455 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.74 117 1761033 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.93 152 831561 5.00 ug/L -0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 719993 4.28 ug/L -0.02 = Spiked Amount 5.000 Recovery = 85.60% 3) 4-BROMOFLUOROBENZENE 24.34 174 657734 4.42 ug/L -0.02 Spiked Amount 5.000 Recovery = 88.40% 25) TOLUENE-D8 18.44 98 2185320 4.97 ug/L -0.03 Spiked Amount 5.000 Recovery = 99.40%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.87 85 175379 5.29 ug/L 100 5) CHLOROMETHANE 5.46 50 198512 5.14 ug/L 98 6) VINYL CHLORIDE 5.59 62 110477 4.82 ug/L 100 7) BROMOMETHANE 6.60 94 124644 4.41 ug/L 97 8) CHLOROETHANE 6.71 64 112807 4.53 ug/L 96 9) TRICHLOROFLUOROMETHANE 7.28 101 245249 4.21 ug/L 98 10) Isopropyl Alcohol 7.89 45 2889 28.69 ug/L 79 — 12) ACETONE * 8.25 43 85445 8.16 ug/L 92 13) 1,1-DICHLOROETHENE 8.60 61 442146 4.85 ug/L 99 14) METHYLENE CHLORIDE 9.59 49 635156 7.04 ug/L 96 — 15) METHYL TERT BUTYL ETHER 9.91 73 575101 5.07 ug/L 96 16) TRANS-1,2-DICHLOROETHENE 10.27 61 642956 5.82 ug/L 97 17) 1,1-DICHLOROETHANE 11.16 63 792787 5.95 ug/L — g 2* 99 — 18) 2-BUTANONE (MEK) 11.98 43 216163 8.78 ug/L"2ot 99 - —* 19) 2,2-DICHLOROPROPANE 12.38 77 667619 5.98 ug/L s $ 99 — 20) CIS-1,2-DICHLOROETHENE 12.47 96 469299 5.88 ug/L 99 ~ 21) CHLOROFORM 12.80 83 852975 5.75 ug/L 99 22) BROMOCHLOROMETHANE 13.18 49 379677 5.94 ug/L 100 23) 1,2-DICHLOROETHANE 14.52 62 575048 5.49 ug/L 99 26) 1,1,1-TRICHLOROETHANE 13.69 97 660904 5.92 ug/L 96 27) 1,1-DICHLOROPROPENE 14.02 75 674253 6.76 ug/L® 100 28) CARBON TETRACHLORIDE 14.28 117 543871 5.98 ug/L 100 29) BENZENE 14.63 78 1695685 6.90 ug/LV 99 30) TRICHLOROETHENE 15.90 95 528883 6.47 ug/L 97 31) 1,2-DICHLOROPROPANE 16.24 63 438124 6.11 ug/L 94 32) DIBROMOMETHANE 16.92 174 203527 5.31 ug/L 99 33) BROMODICHLOROMETHANE 16.77 83 571995 5.29 ug/L 99 34) 2-CHLOROETHYL VINYL ETHER 17.25 63 145209 4.75 ug/L 99 (#) = qualifier out of range (m) = manual integration 0206R5A.D HP013102.M Wed Feb 06 21:00:06 2002 Page 1

NYC-WTC_000019438

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