WTC sample cover sheet, Dec 19 2001

NYC 9/11 Public Portal Document

Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\01dec21\1221C10.D Vial: 8 Acq On : 21 Dec 2001 9:56 am Operator: 206-BH Sample : cal 10 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Dec 21 10:34 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 637754 5.00 ug/L 0.07 22) CHLOROBENZENE-D5 21.01 117 626157 5.00 ug/L 0.05 50) 1,4-DICHLOROBENZENE-D4 26.18 152 471895 5.00 ug/L 0.07

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 13.64 65 250060 5.95 ug/L 0.05 Spiked Amount 5.000 Recovery = 119.00% 3) 4-BROMOFLUOROBENZENE 23.59 174 279218 5.71 ug/L 0.05 Spiked Amount 5.000 Recovery = 114.20% 23) TOLUENE-D8 17.73 98 814703 4.91 ug/L 0.05 Spiked Amount 5.000 Recovery = 98.20%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.48 85 189882 9.12 ug/L 94 5) CHLOROMETHANE 5.00 50 180931 13.98 ug/L 95 6) VINYL CHLORIDE 5.16 62 209082 16.25 ug/L 95 7) BROMOMETHANE 6.06 94 149997 13.33 ug/L 98 8) CHLOROETHANE 6.20 64 123589 14.01 ug/L 97 9) TRICHLOROFLUOROMETHANE 6.73 101 359773 12.88 ug/L 100 10) ACETONE 7.67 43 43881 10.26 ug/L 96 11) 1,1-DICHLOROETHENE 8.01 61 303012 8.36 ug/L 96 12) METHYLENE CHLORIDE 8.99 49 354383 10.09 ug/L 95 13) METHYL TERT BUTYL ETHER 9.28 73 386323 8.33 ug/L 100 14) TRANS-1,2-DICHLOROETHENE 9.63 61 343321 8.73 ug/L 91 15) 1,1-DICHLOROETHANE 10.52 63 457911 9.34 ug/L 97 16) 2-BUTANONE (MEK) 11.34 43 72924 9.65 ug/L 96 17) 2,2-DICHLOROPROPANE 11.71 77 390737 9.67 ug/L 98 18) CIS-1,2-DICHLOROETHENE 11.80 96 240327 8.75 ug/L 93 19) CHLOROFORM 12.14 83 488419 10.44 ug/L 98 20) BROMOCHLOROMETHANE 12.51 49 221703 9.99 ug/L 90 21) 1,2-DICHLOROETHANE 13.84 62 326175 10.36 ug/L 99 24) 1,1,1-TRICHLOROETHANE 13.01 97 386664 10.05 ug/L 99 25) 1,1-DICHLOROPROPENE 13.35 75 346133 9.12 ug/L 97 26) CARBON TETRACHLORIDE 13.59 117 346341 10.59 ug/L 100 27) BENZENE 13.94 78 982178 8.90 ug/L 99 28) TRICHLOROETHENE 15.20 95 272078 9.21 ug/L 99 29) 1,2-DICHLOROPROPANE 15.55 63 284624 9.26 ug/L 99 30) DIBROMOMETHANE 16.21 174 96539 8.83 ug/L 99 31) BROMODICHLOROMETHANE 16.06 83 371818 10.50 ug/L 96 32) 2-CHLOROETHYL VINYL ETHER 16.57 63 93884 8.23 ug/L 98 33) Methyl iso-butyl ketone 16-64 58 47790 8.14 ug/L 99 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 1221C10.D HP121001.M Fri Dec 21 10:35:05 2001 Page 1

NYC-WTC 000002394