VOC blank analysis results, sample AE02714, Feb 11 2002

NYC 9/11 Public Portal Document quantltatlon Keporc (NOC Kevlewed)

Data File : C:\HPCHEM\1\DATA\02febl1\0211C10A.D Vial: 4 Acq On : 11 Feb 2002 10:42 pm Operator: 201-wb Sample : cal 10 Inst : GC/MS Ins Mise : Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Feb 11 23:20 2002 Quant Results File: HP021102.RES

Quant Method : C:\HPCHEM\1\METHODS\HP021102.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Mon Feb 11 16:41:09 2002 Response via : Initial Calibration DataAcq Meth : HP021102

Internal Standards R.T. Qlon Response Cone Units Dev(Min)

1) 1,4-DIFLUOROBENZENE 15.10 114 2582313 5.00 ug/L -0.02 24) CHLOROBENZENE-D5 21.74 117 2556145 5.00 ug/L -0.02 52) 1,4-DICHLOROBENZENE-D4 26.91 152 1198103 5.00 ug/L -0.03 System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.33 65 1022106 5.20 ug/L -0.02 Spiked Amount 5.000 Recovery = 104.00% 3) 4-BROMOFLUOROBENZENE 24.32 174 971183 5.00 ug/L -0.03 Spiked Amount 5.000 Recovery = 100.00% 25) TOLUENE-D8 18.44 98 3194616 5.04 ug/L -0.03 Spiked Amount 5.000 Recovery = 100.80% Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.85 85 784771 7.79 ug/L 99 5) CHLOROMETHANE 5.47 50 750818 9.48 ug/L 97 6) VINYL CHLORIDE 5.57 62 373708 12.03 ug/L 96 7) BROMOMETHANE 6.56 94 536248 11.65 ug/L 98 8) CHLOROETHANE 6.70 64 510874 11.58 ug/L 97 9) TRICHLOROFLUOROMETHANE 7.27 101 1023944 11.65 ug/L 98 11) l,l,2-Trichloro-l,2,2-trif 8.15 101 549719 8.36 ug/L 97 12) ACETONE 8.24 43 167407 9.43 ug/L 95 13) 1,1-DICHLOROETHENE 8.59 61 1235019 9.96 ug/L 99 14) METHYLENE CHLORIDE 9.60 49 1487696 10.01 ug/L 95 15) METHYL TERT BUTYL ETHER 9.91 73 1453811 8.82 ug/L 96 16) TRANS-1,2-DICHLOROETHENE 10.26 61 1523140 9.60 ug/L 94 17) 1,1-DICHLOROETHANE 11.16 63 1827011 9.74 ug/L 97 18) 2-BUTANONE (MEK) 11.98 43 464122 11.47 ug/L 97 19) 2,2-DICHLOROPROPANE 12.36 77 1299863 8.63 ug/L 99 20) CIS-1,2-DICHLOROETHENE 12.47 96 1035484 9.67 ug/L 99 21) CHLOROFORM 12.80 83 1873311 9.94 ug/L 99 22) BROMOCHLOROMETHANE 13.18 49 884763 9.88 ug/L 100 23) 1,2-DICHLOROETHANE 14.52 62 1263201 9.96 ug/L 97 26) 1,1,1-TRICHLOROETHANE 13.70 97 1402473 9.84 ug/L 98 27) 1,1-DICHLOROPROPENE 14.02 75 1466093 10.31 ug/L 99 28) CARBON TETRACHLORIDE 14.28 117 1150862 9.93 ug/L 99 29) BENZENE 14.63 78 3631604 9.84 ug/L 99 30) TRICHLOROETHENE 15.90 95 1114787 10.10 ug/L 97 31) 1,2-DICHLOROPROPANE 16.24 63 1078393 10.33 ug/L 94 32) DIBROMOMETHANE 16.92 174 503025 10.15 ug/L 99 33) BROMODICHLOROMETHANE 16.77 83 1368086 10.25 ug/L 100 34) 2-CHLOROETHYL VINYL ETHER 17.25 63 410730 10.65 ug/L 99 (#) = qualifier out of range (m) = manual integration 0211C10A.D HP021102.M Mon Feb 11 23:20:31 2002 Page 1

NYC-WTC_0000 19795