WTC sample cover sheet, Dec 7 2001

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

Data File : C:\HPCHEM\1\DATA\01dec07\1207Cl0A.D Vial: 4 Acq On 7 Dec 2001 2:46 pm Operator: 201-wb Sample : cal 10 Inst : GC/MS Ins Misc : December , 2001 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 7 15:25 2001 Quant Results File: HP120301.RES

Quant Method : C:\HPCHEM\1\METHODS\HP120301.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Dec 04 11:24:20 2001 Response via : Initial Calibration DataAcq Meth : HP120301

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 15.14 114 859600 5.00 ug/L 0.04 24) CHLOROBENZENE-D5 21.79 117 749371 5.00 ug/L 0.04 52) 1,4-DICHLOROBENZENE-D4 26.97 152 370548 5.00 ug/L 0.04

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.37 65 527148 4.71 ug/L 0.04 Spiked Amount 5.000 Recovery = 94.20% 3) 4-BROMOFLUOROBENZENE 24.37 174 304392 4.93 ug/L 0.04 Spiked Amount 5.000 Recovery = 98.60% 25) TOLUENE-D8 18.48 98 1051680 4.99 ug/L 0.04 Spiked Amount 5.000 Recovery = 99.80%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.89 85 392358 12.07 ug/L 99 5) CHLOROMETHANE 5.53 50 335821 9.06 ug/L 94 6) VINYL CHLORIDE 5.63 62 430399 12.11 ug/L 95 7) BROMOMETHANE 6.62 94 267096 9.12 ug/L 96 8) CHLOROETHANE 6.75 64 306618 11.88 ug/L 99 9) TRICHLOROFLUOROMETHANE 7.31 101 906460 11.99 ug/L 99 11) 1,1,2-Trichloro-1,2,2-trif 8.20 101 3048 0.06 ug/L 65 12) ACETONE 8.27 43 104200 6.48 ug/L 91 13) 1,1-DICHLOROETHENE 8.64 61 662234 9.03 ug/L 95 14) METHYLENE CHLORIDE 9.63 49 690750 8.26 ug/L 96 15) METHYL TERT BUTYL ETHER 9.95 73 508020 10.52 ug/L 99 16) TRANS-1,2-DICHLOROETHENE 10.29 61 692970 9.16 ug/L 95 17) 1,1-DICHLOROETHANE 11.20 63 766658 9.07 ug/L 98 18) 2-BUTANONE (MEK) 12.02 43 139848 8.40 ug/L 96 19) 2,2-DICHLOROPROPANE 12.42 77 578069 9.90 Ug/L 97 20) CIS-1,2-DICHLOROETHENE 12.51 96 404764 9.50 ug/L 98 21) CHLOROFORM 12.84 83 886756 9.18 ug/L 100 22) BROMOCHLOROMETHANE 13.22 49 419587 9.13 ug/L 99 23) 1,2-DICHLOROETHANE 14.56 62 706841 9.19 ug/L 100 26) 1,1,1-TRICHLOROETHANE 13.73 97 747703 9.42 ug/L 97 27) 1,1-DICHLOROPROPENE 14.06 75 621595 10.13 ug/L 98 28) CARBON TETRACHLORIDE 14.32 117 740359 9.19 ug/L 97 29) BENZENE 14.67 78 1524646 9.64 ug/L 99 30) TRICHLOROETHENE 15.94 95 477630 9.76 ug/L 99 31) 1,2-DICHLOROPROPANE 16.29 63 423505 9.61 ug/L 98 32) DIBROMOMETHANE 16.97 174 189471 8.96 ug/L 97 33) BROMODICHLOROMETHANE 16.81 83 614097 9.12 ug/L 94 34) 2-CHLOROETHYL VINYL ETHER 17.30 63 140501 10.90 ug/L 100 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1207C10A.D HP120301.M Fri Dec 07 15:25:21 2001 Page 1

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