VOCs GC/MS analysis results, Jan 16-18 2002

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed)

Data File : C:\HPCHEM\1\DATA\02janl6\0116R40A.D Vial: 4 Acq On : 16 Jan 2002 2:21 pm Operator: 201-wb Sample : ref 40 Inst : GC/MS Ins Misc Multiplr: 1.00 MS Integration Params: LSCINT.P Quant Time: Jan 16 14:59 2002 Quant Results File: HP010702.RES

Quant Method : C:\HPCHEM\1\METHODS\HP010702.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Thu Jan 10 08:57:29 2002 Response via : Initial Calibration DataAcq Meth : HP010702

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

1) 1,4-DIFLUOROBENZENE 15.10 114 773753 5.00 ug/L -0.07 24) CHLOROBENZENE-D5 21.76 117 695936 5.00 ug/L -0.09 52) 1,4-DICHLOROBENZENE-D4 26.93 152 330834 5.00 ug/L -0.09

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.34 65 493950 4.92 ug/L -0.09 Spiked Amount 5.000 Recovery = 98.40% 3) 4-BROMOFLUOROBENZENE 24.34 174 265093 5.06 ug/L -0.09 Spiked Amount 5.000 Recovery = 101.20% 25) TOLUENE-D8 18.45 98 963268 5.20 ug/L -0.09 Spiked Amount 5.000 Recovery = 104.00%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.87 85 1477692 43.58 ug/L 99 5) CHLOROMETHANE 5.51 50 1204046 31.97 ug/L 99 6) VINYL CHLORIDE 5.57 62 1278818 41.11 ug/L 97 7) BROMOMETHANE 6.60 94 1052172 42.77 ug/L 100 8) CHLOROETHANE 6.72 64 928228 42.60 ug/L 97 9) TRICHLOROFLUOROMETHANE 7.29 101 2747596 44.74 ug/L 98 10) Isopropyl Alcohol 7.89 45 11697 13.98 ug/L 96 11) 1,1,2-Trichloro-1,2,2-trif 8.13 101 6146 0.15 ug/L 69 12) ACETONE 8.25 43 306820 30.58 ug/L 95 13) 1,1-DICHLOROETHENE 8.60 61 2285559 37.17 ug/L 96 14) METHYLENE CHLORIDE 9.61 49 2239947 31.45 ug/L 98 15) METHYL TERT BUTYL ETHER 9.91 73 1607658 38.66 ug/L 100 16) TRANS-1,2-DICHLOROETHENE 10.28 61 2269839 37.28 ug/L 96 17) 1,1-DICHLOROETHANE 11.16 63 2513608 37.59 ug/L 98 18) 2-BUTANONE (MEK) 12.00 43 451999 35.13 ug/L 97 19) 2,2-DICHLOROPROPANE 12.38 77 2033483 43.44 ug/L 99 20) CIS-1,2-DICHLOROETHENE 12.47 96 1323279 38.98 ug/L 95 21) CHLOROFORM 12.82 83 2882934 37.71 ug/L 99 22) BROMOCHLOROMETHANE 13.19 49 1394694 36.14 ug/L 98 23) 1,2-DICHLOROETHANE 14.53 62 2369839 37.32 ug/L 98 26) 1,1,1-TRICHLOROETHANE 13.71 97 2452244 38.65 ug/L 97 27) 1,1-DICHLOROPROPENE 14.02 75 2070613 42.11 ug/L 99 28) CARBON TETRACHLORIDE 14.28 117 2431218 38.12 ug/L 98 29) BENZENE 14.63 78 4839053 37.93 ug/L 98 30) TRICHLOROETHENE 15.90 95 1578324 40.34 ug/L 99 31) 1,2-DICHLOROPROPANE 16.25 63 1395142 38.09 ug/L 99 32) DIBROMOMETHANE 16.93 174 604992 37.36 ug/L 97 33) BROMODICHLOROMETHANE 16.78 83 2158319 39.85 ug/L 98 ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 0116R40A.D HP010702.M Wed Jan 16 14:59:23 2002 Page 1

NYC-WTC 000003235