WTC sample cover sheet, Dec 27 2001

NYC 9/11 Public Portal Document ~Lud11LiLdL1u11 t.epui L tivot Reviewed.) Data File : C:\HPCHEM\1\DATA\01dec27\1227C10.D Vial: 8 Acq On : 27 Dec 2001 10:01 am Operator: 206-BH Sample : cal 10 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 27 10:40 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 14.47 114 720442 5.00 ug/L 0.12 22) CHLOROBENZENE-D5 21.05 117 717883 5.00 ug/L 0.08 50) 1,4-DICHLOROBENZENE-D4 26.21 152 553064 5.00 ug/L 0.10 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.67 65 265253 5.59 ug/L 0.09 Spiked Amount 5.000 Recovery = 111.80% 3) 4-BROMOFLUOROBENZENE 23.64 174 316114 5.72 ug/L 0.10 Spiked Amount 5.000 Recovery = 114.40% 23) TOLUENE-D8 17.78 98 911640 4.79 ug/L 0.10 Spiked Amount 5.000 Recovery = 95.80%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.50 85 285032 12.12 ug/L 99 5) CHLOROMETHANE 5.02 50 216711 14.82 ug/L 99 6) VINYL CHLORIDE 5.19 62 263045 18.09 ug/L 96 7) BROMOMETHANE 6.09 94 163986 12.90 ug/L 95 8) CHLOROETHANE 6.23 64 123513 12.39 ug/L 93 9) TRICHLOROFLUOROMETHANE 6.76 101 354912 11.25 ug/L 95 10) ACETONE 7.70 43 40667 8.41 ug/L 98 11) l,1-DICHLOROETHENE 8.04 61 432730 10.57 ug/L 95 12) METHYLENE CHLORIDE 9.02 49 429927 10.83 ug/L 92 13) METHYL TERT BUTYL ETHER 9.33 73 407093 7.77 ug/L 98 14) TRANS-1,2-DICHLOROETHENE 9.67 61 438744 9.88 ug/L 93 15) 1,1-DICHLOROETHANE 10.55 63 570246 10.30 ug/L 99 16) 2-BUTANONE (MEK) 11.37 43 67089 7.86 ug/L 95 17) 2,2-DICHLOROPROPANE 11.75 77 494626 10.84 ug/L 98 18) CIS-1,2-DICHLOROETHENE 11.85 96 284381 9.16 ug/L 87 19) CHLOROFORM 12.17 83 577525 10.93 ug/L 98 20) BROMOCHLOROMETHANE 12.55 49 257774 10.28 ug/L 90 21) 1,2-DICHLOROETHANE 13.88 62 351221 9.87 ug/L 100 24) 1,1,1-TRICHLOROETHANE 13.06 97 475729 10.79 ug/L 98 25) l,1-DICHLOROPROPENE 13.38 75 429984 9.88 ug/L 99 26) CARBON TETRACHLORIDE 13.64 117 429171 11.44 ug/L 99 27) BENZENE 14.00 78 1200808 9.49 ug/L 99 28) TRICHLOROETHENE 15.24 95 324690 9.58 ug/L 98 29) 1,2-DICHLOROPROPANE 15.60 63 320795 9.11 ug/L 98 30) DIBROMOMETHANE 16.24 174 109293 8.71 ug/L 99 31) BROMODICHLOROMETHANE 16.09 83 422075 10.40 ug/L 99 32) 2-CHLOROETHYL VINYL ETHER 16.60 63 94689 7.24 ug/L 95 33) Methyl iso-butyl ketone 16.67 58 47541 7.06 ug/L 92 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1227C10.D HP121001.M Thu Dec 27 10:40:41 2001 Page 1

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