Volatile organic compounds analysis results, March 21, 2002

NYC 9/11 Public Portal Document

Data File : C:\HPCHEM\1\DATA\O2MAR20\0320R5A.D Vial: 5 Acq On : 20 Mar 2002 2:44 pm Operator: 201-wb Sample : no gases; ref 5 Inst : GC/MS Ins Mise : March 20, 2002 Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Mar 21 8:50 2002 Quant Results File: HP031802.RES Quant Method : C:\HPCHEM\1\METHODS\HP031802.M (RTE Integrator) Title : VOCS BY EPA METHOD 524 Last Update : Tue Mar 19 08:23:16 2002 Response via : Initial Calibration DataAcq Meth : HP031802

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

1) 1,4-DIFLUOROBENZENE 15.08 114 1374004 5.00 ug/L 0.03 24) CHLOROBENZENE-D5 21.74 117 1251876 5.00 ug/L 0.03 52) 1,4-DICHLOROBENZENE-D4 26.93 152 663666 5.00 ug/L 0.05

System Monitoring Compounds 2) 1,2-DICHLOROETHANE-D4 14.32 65 596805 5.27 ug/L 0.03 Spiked Amount 5.000 Recovery = 105.40% 3) 4-BROMOFLUOROBENZENE 24.33 174 520894 4.69 ug/L 0.03 Spiked Amount 5.000 Recovery = 93.80% 25) TOLUENE-D8 18.44 98 1602093 5.28 ug/L 0.03 Spiked Amount 5.000 Recovery = 105.60%

Target Compounds Qvalue 7) BROMOMETHANE 6.56 94 6545 0.20 ug/L 83 9) TRICHLOROFLUOROMETHANE 7.25 101 8616 0.13 ug/L 98 12) ACETONE 8.22 43 64912 । 4.44 ug/L 93 13) 1,1-DICHLOROETHENE 14) METHYLENE CHLORIDE 8.58 9.59 61 49 271735 288416 , 3.31 ug/L v 3755 ug/L 98 95 15) METHYL TERT BUTYL ETHER 9.89 73 321932 4.37 ug/L 99 16) TRANS-1,2-DICHLOROETHENE 10.25 61 305603 3.71 ug/L 99 17) 1,1-DICHLOROETHANE 11.14 63 377594 4.00 ug/L 99 18) 2-BUTANONE (MEK) 11.97 43 46498 4.60 ug/L 94 19) 2,2-DICHLOROPROPANE 12.36 77 315887 4.25 ug/L 99 20) CIS-1,2-DICHLOROETHENE 12.45 96 232833 4.19 ug/L 97 21) CHLOROFORM 12.79 83 454963 4.45 ug/L 97 22) BROMOCHLOROMETHANE 13.16 49 177322 4.18 ug/L 98 23) 1,2-DICHLOROETHANE 14.52 62 327291 4.63 ug/L 98 26) 1,1,1-TRICHLOROETHANE 13.69 97 338892 4.79 ug/L 98 27) 1,1-DICHLOROPROPENE 14.01 75 297980 4.58 ug/L 97 28) CARBON TETRACHLORIDE 14.27 117 296587 4.87 ug/L 99 29) BENZENE 14.61 78 777098 4.80 ug/L 97 30) TRICHLOROETHENE 15.88 95 246442 4.87 ug/L 96 31) 1,2-DICHLOROPROPANE 16.24 63 204019 4.83 ug/L 97 32) DIBROMOMETHANE 16.92 174 123392 5.15 ug/L 92 33) BROMODICHLOROMETHANE 16.75 83 336135 5.25 ug/L 99 34) 2-CHLOROETHYL VINYL ETHER 17.25 63 63388 3.76 ug/L 99 35) METHYL ISO-BUTYL KETONE 17.33 58 34346 4.76 ug/L 84 36) CIS-1,3-DICHLOROPROPENE 17.86 75 295369 4.82 ug/L 100 37) TOLUENE 18.61 91 882566 5.09 ug/L 98 3 8) TRANS-1,3-DICHLOROPROPENE 18.90 75 239212 5.29 ug/L 99 39) 1,1,2-TRICHLOROETHANE 19.27 97 157582 5.50 ug/L 95 40) TETRACHLOROETHENE 20.06 166 268248 5.22 ug/L 98 41) 1,3-DICHLOROPROPANE 19.82 76 272238 5.16 ug/L 96 42) DIBROMOCHLOROMETHANE 20:50 129 196800 5.32 ug/L 96 43) 1,2-DIBROMOETHANE 20.96 107 148611 5.09 ug/L 96 44) CHLOROBENZENE 21.83 112 611897 5.24 ug/L 99 45) 1,1,1,2-TETRACHLOROETHANE 21.88 131 226316 5.48 ug/L 99 46) 2-HEXANONE 19.17 43 65716 4.92 ug/L 96 47) ETHYLBENZENE 21.88 91 1081968 5.36 ug/L 98 48) P & M-XYLENE 22.03 106 736756 10.71 ug/L 95 49) O-XYLENE 23.00 91 837073 5.28 ug/L 98 50) STYRENE 23.07 104 571645 5.44 ug/L 97 51) 1,1,2,2-TETRACHLOROETHANE 24.09 83 152355 5.26 ug/L 97 53) BROMOFORM 23.92 173 93604 5.28 ug/L 98 (#) = qualifier out of range (m) = manual integration 0320R5A.D HP031802.M Thu Mar 21 08:50:14 2002 Page 1

NYC-WTC_000022094