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VOC analysis results, sample AD26827, Nov 7 2001

Machine-extracted title · confidence 100%

DEP laboratory report for sample AD26827 analyzing volatile organic compounds on November 7, 2001.

NYC-WTC_000000820–000000824

Folder label: “524 up to 11/7/01

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NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\01NOV6\1106R40.D Vial: 6 Acq On 6 Nov 2001 12:39 pm Operator: Sample : ref 40 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Nov 6 13:18 2001 Quant Results File: HP110101.RES

Quant Method : C:\HPCHEM\1\METHODS\HP11010l.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Nov 02 15:17:46 2001 Response via : Initial Calibration DataAcq Meth : HP110101

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 14.46 114 636445 5.00 ug/L 0.02 22) CHLOROBENZENE-D5 21.05 117 596489 5.00 ug/L 0.02 50) 1,4-DICHLOROBENZENE-D4 26.21 152 298459 5.00 ug/L 0.02

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.67 65 208724 5.56 ug/L 0.02 Spiked Amount 5.000 Recovery = 111.20% 3) 4-BROMOFLUOROBENZENE 23.62 174 208677 6.31 ug/L 0.02 Spiked Amount 5.000 Recovery = 126.20% 23) TOLUENE-D8 17.78 98 859944 4.78 ug/L 0.03 Spiked Amount 5.000 Recovery = 95.60%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.49 85 1732963 101.92 ug/L 99 5) CHLOROMETHANE 4.99 50 1088534 66.43 ug/L 100 6) VINYL CHLORIDE 5.13 62 695751 56.12 ug/L 98 7) BROMOMETHANE 6.08 94 818652 52.75 ug/L 98 8) CHLOROETHANE 6.22 64 657313 58.96 ug/L 97 9) TRICHLOROFLUOROMETHANE 6.76 101 2005741 73.54 ug/L 99 10) ACETONE 7.68 43 152953 44.36 ug/L 95 11) 1,1-DICHLOROETHENE 8.03 61 1788709 54.56 ug/L 94 12) METHYLENE CHLORIDE 9.00 49 1630801 45.57 ug/L 94 13) METHYL TERT BUTYL ETHER 9.31 73 1708521 28.14 ug/L 99 14) TRANS-1,2-DICHLOROETHENE 9.65 61 1860060 50.59 ug/L 95 15) 1,1-DICHLOROETHANE 10.54 63 2264511 47.05 ug/L 99 16) 2-BUTANONE (MEK) 11.36 43 240453 34.42 ug/L 96 17) 2,2-DICHLOROPROPANE 11.75 77 1856562 51.33 ug/L 98 18) CIS-1,2-DICHLOROETHENE 11.83 96 1159042 44.73 ug/L 92 19) CHLOROFORM 12.16 83 1997585 46.47 ug/L 99 20) BROMOCHLOROMETHANE 12.53 49 972976 45.24 ug/L 96 21) 1,2-DICHLOROETHANE 13.86 62 1196740 45.60 ug/L 98 24) 1,1,1-TRICHLOROETHANE 13.04 97 1719154 48.44 ug/L 99 25) 1,1-DICHLOROPROPENE 13.38 75 1714170 44.19 ug/L 99 26) CARBON TETRACHLORIDE 13.62 117 1416024 51.89 ug/L 99 27) BENZENE 13.98 78 4810670 39.63 ug/L 100 28) TRICHLOROETHENE 15.24 95 1194749 41.93 ug/L 98 29) 1,2-DICHLOROPROPANE 15.58 63 1270346 39.60 ug/L 99 30) DIBROMOMETHANE 16.23 174 341862 44.14 ug/L 87 31) BROMODICHLOROMETHANE 16.09 83 1376144 42.86 ug/L 100 32) 2-CHLOROETHYL VINYL ETHER 16.59 63 383224 42.14 ug/L 100 33) Methyl iso-butyl ketone 16.67 58 204933 41.91 ug/L 83 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1106R40.D HP102901.M Tue Nov 13 13:57:21 2001 Page 1

NYC-WTC 000000822

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NYC-WTC_000000822Source: NYC Law Department, mirrored locally

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