WTC sample cover sheet, Dec 12 2001

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

Data File : C:\HPCHEM\1\DATA\01DEC4\1204C10B.D Vial: 9 Acq On 4 Dec 2001 11:58 pm Operator: 206-BH Sample : cal 10 Inst : GC/MS Ins Misc Multipir: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 5 0:37 2001 Quant Results File: HP120401.RES

Quant Method : C:\HPCHEM\1\METHODS\HP120401.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Dec 04 14:36:18 2001 Response via : Initial Calibration DataAcq Meth : HP120401

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 14.39 114 377196 5.00 ug/L 0.00 22) CHLOROBENZENE-D5 20.98 117 344046 5.00 ug/L 0.00 50) 1,4-DICHLOROBENZENE-D4 26.14 152 196345 5.00 ug/L 0.00

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.60 65 161791 6.38 ug/L 0.00 Spiked Amount 5.000 Recovery = 127.60% 3) 4-BROMOFLUOROBENZENE 23.57 174 118419 5.07 ug/L 0.00 Spiked Amount 5.000 Recovery = 101.400 23) TOLUENE-D8 17.71 98 515038 5.41 ug/L 0.00 Spiked Amount 5.000 Recovery = 108.200

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.47 85 62585 4.28 ug/L 100 5) CHLOROMETHANE 4.97 50 114978 12.08 ug/L 97 6) VINYL CHLORIDE 5.13 62 131724 13.58 ug/L 1 100 7) BROMOMETHANE 6.05 94 116200 12.52 ug/L 98 8) CHLOROETHANE 6.18 64 93156 13.68 ug/L 1 97 9) TRICHLOROFLUOROMETHANE 6.71 101 247629 12.54 ug/L 100 10) ACETONE 7.64 43 29960 10.57 ug/L 95 11) 1,1-DICHLOROETHENE 7.98 61 229716 10.89 ug/L 94 12) METHYLENE CHLORIDE 8.95 49 256026 12.45 ug/L 92 13) METHYL TERT BUTYL ETHER 9.26 73 273072 11.21 ug/L 96 14) TRANS-1,2-DICHLOROETHENE 9.60 61 252806 11.47 ug/L 94 15) 1,1-DICHLOROETHANE 10.49 63 328438 11.60 ug/L 99 16) 2-BUTANONE (MEK) 11.32 43 53853 13.63 ug/L f 93 17) 2,2-DICHLOROPROPANE 11.68 77 202932 9.05 ug/L 97 18) CIS-1,2-DICHLOROETHENE 11.78 96 145889 10.32 ug/L 88 19) CHLOROFORM 12.11 83 281162 11.11 ug/L 99 20) BROMOCHLOROMETHANE 12.48 49 155298 12.21 ug/L 89 21) 1,2-DICHLOROETHANE 13.81 62 214229 12.45 ug/L 99 24) 1,1,1-TRICHLOROETHANE 12.99 97 219189 10.76 ug/L 99 25) 1,1-DICHLOROPROPENE 13.32 75 221300 10.78 ug/L 96 26) CARBON TETRACHLORIDE 13.57 117 170744 10.35 ug/L 97 27) BENZENE 13.91 78 676488 11.11 ug/L 99 28) TRICHLOROETHENE 15.17 95 153777 10.33 ug/L 92 29) 1,2-DICHLOROPROPANE 15.53 63 192462 11.48 ug/L 98 30) DIBROMOMETHANE 16.18 174 39368 8.79 ug/L 76 31) BROMODICHLOROMETHANE 16.04 83 198995 11.18 ug/L 97 32) 2-CHLOROETHYL VINYL ETHER 16.54 63 62691 11.42 ug/L 94 33) Methyl iso-butyl ketone 16.60 58 35639 13.46 ug/L / 99 ------------------------------------------------------------------------- W = qualifier out of range (m) = manual integration 1204C10B.D HP121001.M Wed Dec 19 15:44:54 2001 Page 1

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