WTC sample cover sheet, Dec 7 2001

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

Data File : C:\HPCHEM\1\DATA\01dec07\1207R40A.D Vial: 5 Acq On 7 Dec 2001 4:00 pm Operator: 201-wb Sample : ref 40 Inst : GC/MS Ins Misc : December 6, 2001 Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 7 16:38 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 15.12 114 887132 5.00 ug/L 0.02 24) CHLOROBENZENE-D5 21.79 117 772258 5.00 ug/L 0.03 52) 1,4-DICHLOROBENZENE-D4 26.97 152 386326 5.00 ug/L 0.03

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.35 65 545720 4.73 ug/L 0.02 Spiked Amount 5.000 Recovery = 94.60% 3) 4-BROMOFLUOROBENZENE 24.37 174 318299 5.00 ug/L 0.04 Spiked Amount 5.000 Recovery = 100.00% 25) TOLUENE-D8 18.48 98 1081383 4.98 ug/L 0.03 Spiked Amount 5.000 Recovery = 99.60%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.88 85 1619272 47.40 ug/L 97 5) CHLOROMETHANE 5.50 50 1856110 49.11 ug/L 96 6) VINYL CHLORIDE 5.59 62 1396447 50.84 ug/L 97 7) BROMOMETHANE 6.61 94 1216698 40.26 ug/L 92 8) CHLOROETHANE 6.75 64 1120052 42.04 ug/L 93 9) TRICHLOROFLUOROMETHANE 7.30 101 3294770 42.24 ug/L 96 11) 1,1,2-Trichloro-1,2,2-trif 8.19 101 1256019 25.45 ug/L 98 12) ACETONE 8.27 43 318326 19.18 ug/L 97 13) 1,1-DICHLOROETHENE 8.62 61 2169023 28.66 ug/L 97 14) METHYLENE CHLORIDE 9.63 49 2442524 28.30 ug/L 98 15) METHYL TERT BUTYL ETHER 9.93 73 1793157 36.00 ug/L 98 16) TRANS-1,2-DICHLOROETHENE 10.29 61 2428876 31.10 ug/L 97 17) 1,1-DICHLOROETHANE 11.18 63 2738797 31.40 ug/L 98 18) 2-BUTANONE (MEK) 12.02 43 528351 30.74 ug/L 95 19) 2,2-DICHLOROPROPANE 12.40 77 2118941 35.15 ug/L 95 20) CIS-1,2-DICHLOROETHENE 12.51 96 1538413 34.98 ug/L 95 21) CHLOROFORM 12.84 83 3204985 32.14 ug/L 100 22) BROMOCHLOROMETHANE 13.22 49 1627699 34.33 ug/L 97 23) 1,2-DICHLOROETHANE 14.56 62 2642980 33.29 ug/L 98 26) 1,1,1-TRICHLOROETHANE 13.73 97 2661751 32.52 ug/L 98 27) 1,1-DICHLOROPROPENE 14.06 75 2157720 34.13 ug/L 97 28) CARBON TETRACHLORIDE 14.32 117 2640775 31.80 ug/L 99 29) BENZENE 14.67 78 5244806 32.18 ug/L 100 30) TRICHLOROETHENE 15.94 95 1703567 33.80 ug/L 98 31) 1,2-DICHLOROPROPANE 16.29 63 1558568 34.31 ug/L 98 32) DIBROMOMETHANE 16.97 174 765560 35.12 ug/L 96 33) BROMODICHLOROMETHANE 16.81 83 2416854 34.83 ug/L 99 34) 2-CHLOROETHYL VINYL ETHER 17.28 63 571181 43.00 ug/L 100 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1207R40A.D HP120301.M Fri Dec 07 16:38:46 2001 Page 1

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