WTC sample cover sheet, Dec 28 2001

NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\01DEC28\1228C10.D Vial: 8 Acq On : 28 Dec 2001 10:00 am Operator: 206-BH Sample : cal 10 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 28 11:45 2001 Quant Results File: HP121001.RES

Quant Method : C:\HPCHEM\1\METHODS\HP121001.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Fri Dec 28 11:44:48 2001 Response via : Initial Calibration DataAcq Meth : HP121001

Internal Standards R.T. Qlon Response Conc Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-DIFLUOROBENZENE 14.46 114 843825 5.00 ug/L 0.10 22) CHLOROBENZENE-D5 21.05 117 660973 5.00 ug/L 0.08 50) 1,4-DICHLOROBENZENE-D4 26.21 152 471513 5.00 ug/L 0.10

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.67 65 286197 5.15 ug/L 0.09 Spiked Amount 5.000 Recovery = 103.000 3) 4-BROMOFLUOROBENZENE 23.62 174 348006 5.37 ug/L 0.08 Spiked Amount 5.000 Recovery = 107.400 23) TOLUENE-D8 17.78 98 998199 5.70 ug/L 0.10 Spiked Amount 5.000 Recovery = 114.00%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.50 85 331765 12.05 ug/L 97 5) CHLOROMETHANE 5.02 50 294925 17.22 ug/L 96 6) VINYL CHLORIDE 5.17 62 327775 19.25 ug/L 95 7) BROMOMETHANE 6.10 94 222009 14.91 ug/L 100 8) CHLOROETHANE 6.23 64 195770 16.77 ug/L 96 9) TRICHLOROFLUOROMETHANE 6.77 101 471539 12.76 ug/L 99 10) ACETONE 7.70 43 48344 8.54 ug/L 99 11) 1,1-DICHLOROETHENE 8.03 61 449563 9.38 ug/L 92 12) METHYLENE CHLORIDE 9.02 49 432942 9.31 ug/L 83 13) METHYL TERT BUTYL ETHER 9.31 73 484341 7.90 ug/L 97 14) TRANS-1,2-DICHLOROETHENE 9.67 61 444328 8.54 ug/L 82 15) 1,1-DICHLOROETHANE 10.54 63 599514 9.24 ug/L 98 16) 2-BUTANONE (MEK) 11.37 43 73985 7.40 ug/L 93 17) 2,2-DICHLOROPROPANE 11.75 77 492845 9.22 ug/L 99 18) CIS-1,2-DICHLOROETHENE 11.83 96 324197 8.92 ug/L 86 19) CHLOROFORM 12.17 83 618726 9.99 ug/L 99 20) BROMOCHLOROMETHANE 12.53 49 263787 8.98 ug/L 87 21) 1,2-DICHLOROETHANE 13.88 62 365793 8.78 ug/L 98 24) 1,1,1-TRICHLOROETHENE 13.04 97 477433 11.76 ug/L 96 25) 1,1-DICHLOROPROPENE 13.38 75 439280 10.96 ug/L 96 26) CARBON TETRACHLORIDE 13.62 117 426468 12.35 ug/L 98 27) BENZENE 13.98 78 1235978 10.61 ug/L 100 28) TRICHLOROETHENE 15.24 95 339107 10.87 ug/L 92 29) 1,2-DICHLOROPROPANE 15.60 63 334119 10.30 ug/L 99 30) DIBROMOMETHANE 16.24 174 137830 11.94 ug/L 83 31) BROMODICHLOROMETHANE 16.09 83 442532 11.84 ug/L 99 32) 2-CHLOROETHYL VINYL ETHER 16.58 63 100739 8.36 ug/L 94 33) Methyl iso-butyl ketone 16.67 58 50410 8.14 ug/L 90 ------------------------------------------------------------------------- (##) = qualifier out of range (m) = manual integration 1228C10.D HP121001.M Fri Dec 28 11:45:07 2001 Page 1

NYC-WTC 000002749