VOC analysis results, sample AE10519, May 2002

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

Data File C:\HPCHEM\l\DATA\02may06\0506C10.D Vial: 2 Acq On 6 May 2002 9:14 am Operator: 201-wb Sample cal 10 Inst : GC/MS Ins Mise May 6,2002 Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: May 6 9:52 2002 Quant Results File: HP042202.RES

Quant Method : C:\HPCHEM\1\METHODS\HP042202.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Tue Apr 23 13:59:39 2002 Response via : Initial Calibration DataAcq Meth : HP042202

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

1) 1,4-DIFLUOROBENZENE 15.05 114 1271038 5.00 ug/L -0.03 24) CHLOROBENZENE-D5 21.71 117 1087920 5.00 ug/L -0.03 52) 1,4-DICHLOROBENZENE-D4 26.88 152 548206 5.00 ug/L -0.05

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.29 65 566827 4.87 ug/L -0.03 Spiked Amount 5.000 Recovery = 97.40% 3) 4-BROMOFLUOROBENZENE 24.30 174 435192 4.63 ug/L -0.03 Spiked Amount 5.000 Recovery = 92.60% 25) TOLUENE-D8 18.41 98 1555388 5.53 ug/L -0.03. Spiked Amount 5.000 Recovery = 110.60%

Target Compounds Qvalue 4) DICHLORODIFLUOROMETHANE 4.83 85 508296 10.20 ug/L 97 5) CHLOROMETHANE 5.42 50 496896 7.76 ug/L 97 6) VINYL CHLORIDE 5.55 62 353945 9.09 ug/L 98 7) BROMOMETHANE 6.54 94 297078 8.91 ug/L 99 8) CHLOROETHANE 6.68 64 331840 9.15 ug/L 97 9) TRICHLOROFLUOROMETHANE 7.23 101 569573 9.07 ug/L 98 11) l,l,2-Trichlord-l,2,2-trif 8.12 101 399481 9.55 ug/L 95 12) ACETONE 8.21 43 293498 27.14 ug/L 97 13) 1,1-DICHLOROETHENE 8.57 61 999736 9.49 ug/L 96 14) METHYLENE CHLORIDE 9.57 49 791.157 7.95 ug/L 94 15) METHYL TERT BUTYL ETHER 9.88 73 581123 8.43 ug/L 95 16) TRANS-1,2-DICHLOROETHENE 10.23 61 956744 8.80 ug/L 95 17) 1,1-DICHLOROETHANE 11.12 63 1059023 8.78 ug/L 97 18) 2-BUTANONE (MEK) 11.95 43 327678 31.16 ug/L 92 19) 2,2-DICHLOROPROPANE 12.35 77 808504 9.27 ug/L 99 20) CIS-1,2-DICHLOROETHENE 12.43 96 583836 9.69 ug/L 97 21) CHLOROFORM 12.77 83 1116284 9.76 ug/L 98 22) BROMOCHLOROMETHANE 13.15 49 439592 8.33 ug/L 82 23) 1,2-DICHLOROETHANE 14.49 62 818744 9.30 ug/L 97 26) 1,1,1-TRICHLOROETHANE 13.66 97 864369 10.83 ug/L 99 27) 1,1-DICHLOROPROPENE 13.98 75 885533 10.69 ug/L 99 28) CARBON TETRACHLORIDE 14.25 117 744067 11.06 ug/L 98 29) BENZENE 14.59 78 1974907 10.35 ug/L 99 30) TRICHLOROETHENE 15.85 95 658494 10.75 ug/L 98 31) 1,2-DICHLOROPROPANE 16.21 63 526270 9.63 ug/L 98 32) DIBROMOMETHANE 16.89 174 242548 10.33 ug/L 94 33) BROMODICHLOROMETHANE 16.74 83 745562 10.63 ug/L 97 34) 2-CHLOROETHYL VINYL ETHER 17.21 63 149387 9.44 ug/L 98 35) METHYL ISO-BUTYL KETONE 17.30 58 279423 39.77 ug/L 93 36) CIS-1,3-DICHLOROPROPENE 17.83 75 742622 10.46 ug/L 99 37) TOLUENE 18.59 91 2026835 10.50 ug/L 100 38) TRANS-1,3-DICHLOROPROPENE 18.87 75 532302 10.30 ug/L 99 39) 1,1,2-TRICHLOROETHANE 19.24 97 320504 10.66 ug/L 97 4 0) TETRACHLOROETHENE 20.02 166 559375 10.50 ug/L 97 41) 1,3-DICHLOROPROPANE 19.77 76 620991 10.27 ug/L 98 42) DI BROMOCHLOROMETH.ANE 20.47 129 382586 11.04 ug/L 99 43) 1,2-DIBROMOETHANE 20.93 107 324149 10.61 ug/L 93 44) CHLOROBENZENE 21.79 112 1155866 9.94 ug/L 97 45) 1,1,1,2-TETRACHLOROETHANE 21.84 131 436574 10.33 ug/L 99 46) 2-HEXANONE 19.14 43 500634 37.36 ug/L- 98 47) ETHYLBENZENE 21.84 91 2189250 9.98 ug/L 100 (#) = qualifier out of range (m) = manual integration 0506C10.D HP042202.M Mon May 06 09:53:05 2002 Page 1

NYC-WTC_000082908