WTC sample cover sheet, Dec 19 2001

NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\01DEC24\1224C10B.D Vial: 8 Acq On : 24 Dec 2001 8:58 pm Operator: 206-BH Sample : cal 10 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 24 21:38 2001 Quant Results File: HP121001.RES

Quant Method : C:\HPCHEM\1\METHODS\HP121001.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Thu Dec 20 09:38:26 2001 Response via : Initial Calibration DataAcq Meth : HP121001

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 14.42 114 624868 5.00 ug/L 0.07 22) CHLOROBENZENE-D5 21.03 117 599245 5.00 ug/L 0.07 50) 1,4-DICHLOROBENZENE-D4 26.19 152 437638 5.00 ug/L 0.08

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.65 65 243609 5.92 ug/L 0.07 Spiked Amount 5.000 Recovery = 118.40% 3) 4-BROMOFLUOROBENZENE 23.60 174 253541 5.29 ug/L 0.07 Spiked Amount 5.000 Recovery = 105.80% 23) TOLUENE-D8 17.74 98 800018 5.04 ug/L 0.07 Spiked Amount 5.000 Recovery = 100.80%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.48 85 172950 8.48 ug/L 98 5) CHLOROMETHANE 5.00 50 166805 13.16 ug/L 97 6) VINYL CHLORIDE 5.17 62 194951 15.46 ug/L 92 7) BROMOMETHANE 6.08 94 129628 11.75 ug/L 97 8) CHLOROETHANE 6.21 64 109428 12.66 ug/L 96 9) TRICHLOROFLUOROMETHANE 6.75 101 295181 10.78 ug/L 98 10) ACETONE 7.69 43 43669 10.42 ug/L 99 11) 1,1-DICHLOROETHENE 8.03 61 357309 10.06 ug/L 96 12) METHYLENE CHLORIDE 9.00 49 384455 11.17 ug/L 95 13) METHYL TERT BUTYL ETHER 9.29 73 390113 8.59 ug/L 100 14) TRANS-1,2-DICHLOROETHENE 9.65 61 363119 9.43 ug/L 93 15) 1,1-DICHLOROETHANE 10.54 63 466206 9.70 ug/L 99 16) 2-BUTANONE (MEK) 11.35 43 66417 8.97 ug/L 95 17) 2,2-DICHLOROPROPANE 11.73 77 316498 8.00 ug/L 98 18) CIS-1,2-DICHLOROETHENE 11.81 96 237214 8.81 ug/L 94 19) CHLOROFORM 12.16 83 472050 10.30 ug/L 99 20) BROMOCHLOROMETHANE 12.51 49 226852 10.43 ug/L 96 21) 1,2-DICHLOROETHANE 13.86 62 312721 10.14 ug/L 99 24) 1,1,1-TRICHLOROETHANE 13.02 97 376856 10.24 ug/L 98 25) 1,1-DICHLOROPROPENE 13.37 75 350970 9.66 ug/L 98 26) CARBON TETRACHLORIDE 13.60 117 334352 10.68 ug/L 100 27) BENZENE 13.96 78 970021 9.19 ug/L 98 28) TRICHLOROETHENE 15.22 95 260786 9.22 ug/L 98 29) 1,2-DICHLOROPROPANE 15.56 63 276241 9.39 ug/L 99 30) DIBROMOMETHANE 16.23 174 87905 8.40 ug/L 97 31) BROMODICHLOROMETHANE 16.07 83 353866 10.44 ug/L 100 32) 2-CHLOROETHYL VINYL ETHER 16.57 63 89041 8.15 ug/L 100 33) Methyl iso-butyl ketone 16.65 58 46573 8.29 ug/L 98 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1224C10B.D HP121001.M Fri Dec 28 12:52:19 2001 Page 1

NYC-WTC 000002473