WTC sample cover sheet, Dec 19 2001

NYC 9/11 Public Portal Document Quantitation Report (Not Reviewed) Data File : C:\HPCHEM\1 \DATA\Oldecl9\1219C10.D Vial: 8 Acq On : 19 Dec 2001 11:04 am Sample : cal 10 Operator: 206-BH Misc : Inst : GC/MS Ins MS Integration Params: LSCINT.P Multiplr: 1.00 Quant Time: Dec 19 11:42 2001 Quant Results File: HP121001.RES Quant Method : C:\HPCHEM\1\METHODS\HP121001.M (RTE Integrator) Title : VOCs BY EPA METHOD 524 Last Update : Wed Dec 19 08:54:09 2001 Response via : Initial Calibration DataAcq Meth : HP121001

Compound R.T. Qlon Response Conc Unit Qvalue --------------------- 34) CIS-1,3-DICHLOROPROPENE ----------------------------------- 17.15 75 485479 9.65 ug/L 98 35) TOLUENE 17.91 91 1290441 9.13 ug/L 99 36) TRANS-1,3-DICHLOROPROPENE 18.19 75 389671 9.97 ug/L 99 37) 1,1,2-TRICHLOROETHANE 18.56 97 181695 9.39 ug/L 98 38) TETRACHLOROETHENE 19.35 166 293855 8.82 ug/L 99 39) 1,3-DICHLOROPROPANE 19.09 76 367766 9.84 ug/L 99 40) DIBROMOCHLOROMETHANE 19.77 129 220385 9.37 ug/L 99 41) 1,2-DIBROMOETHANE 20.21 107 167452 9.09 ug/L 98 42) CHLOROBENZENE 21.10 112 865362 9.21 ug/L 98 43) 1,1,1,2-TETRACHLOROETHANE 21.15 131 293452 9.58 ug/L 97 44) 2-HEXANONE 18.48 43 119288 10.72 ug/L 97 45) ETHYLBENZENE 21.15 91 1692552 46) P & M-XYLENE 9.72 ug/L 96 21.32 106 1186054 18.13 ug/L 98 47) O-XYLENE 22.28 91 1382701 48) STYRENE 9.97'ug/L 98 22.34 104 1007070 9.33 ug/L 49) 1,1,2,2-TETRACHLOROETHANE 99 23.35 83 220108 10.63 ug/L 98 51) BROMOFORM 23.18 173 121543 8.70 ug/L 97 52) ISOPROPYLBENZENE 23.01 105 1655186 53) 1,2,3-TRICHLOROPROPANE 8.20 ug/L 97 23.67 110 60508 8-22 ug/L 93 54) N-PROPYLBENZENE 23.86 91 2240291 8.56 ug/L 98 55) BROMOBENZENE 24.10 156 348852 8.11 ug/L 97 56) 1,3,5-TRIMETHYLBENZENE 24.18 105 1442276 57) 2-CHLOROTOLUENE 8.27 ug/L 99 24.34 91 1328364 8.00 ug/L 100 58) 4-CHLOROTOLUENE 24.42 91 1446179 59) TERT-BUTYLBENZENE 9.73 ug/L 99 24.97 134 304069 8.16 ug/L 91 60) 1,2,4- TRIMETHYLBENZENE 25.07 105 1568714 61) SEC-BUTYLBENZENE 8.67 ug/L 99 25.43 105 2071412 8.53 ug/L 62) P- ISOPROPYLTOLUENE 98 25.68 119 1664783 8.54 ug/L 98 63) 1,3-DICHLOROBENZENE 26.04 146 806101 8.67 ug/L 99 64) 1,4-DICHLOROBENZENE 26.25 146 801032 8.62 ug/L 98 65) N-BUTYLBENZENE 26.57 91 1811104 66) 1,2-DICHLOROBENZENE 9.71 ug/L 98 27.10 146 689512 8.99 ug/L 99 67) 1,2-DIBROMO-3-CHLOROPROPAN 28.75 157 35910 9.16 ug/L 94 68) NITROBENZENE 28.94 77 299377 185.20 ug/L 99 69) 1,2,4-TRICHLOROBENZENE 30.67 180 399045 9.38 ug/L 99 70) HEXACHLOROBUTADIENE 30.93 225 222484 8.61 ug/L 99 71) NAPHTHALENE 31.36 128 456568 9.74 ug/L 99 72) 1,2,3-TRICHLOROBENZENE 31.90 180 292423 9.37 ug/L 98

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1219C10.D HP121001.M Wed Dec 19 11:43:02 2001 Page 2

NYC-WTC 000002244