GCMS analysis comments for sample AD28688, Dec 2001

NYC 9/11 Public Portal Document Quantitation Report (QT Reviewed)

Data File : C:\HPCHEM\1\DATA\DEC0401\28688.D Vial: 6 Acq On 4 Dec 2001 5:15 pm Operator: 209 GALOS Sample : gc/ms 11/24 Inst : GC/MS 209 Misc Multiplr: 1.00 MS Integration Params: RTEINT.P Quant Time: Dec 4 18:04 2001 Quant Results File: GCMS1126.RES

Quant Method : C:\HPCHEM\1\METHODS\GCMS1126.M (RTE Integrator) Title : 209 625/TCLP calibration table Last Update : Wed Nov 28 15:06:24 2001 Response via : Initial Calibration DataAcq Meth : GCMS1126

Internal Standards R.T. Qlon Response Cone Units Dev(Min) ------------------------------------------------------------------------- 1) 1,4-Dichlorobenzene-d4 11.71 152 786375 20.00 ug/1 0.01 15) Naphthalene-d8 15.31 136 2993713 20.00 ug/l 0.00 26) Acenaphthene-d10 20.59 164 1448321 20.00 ug/l 0.01 42) Phenanthrene-d10 25.01 188 2032108 20.00 ug/1 0.01 53) Chrysene-d12 33.04 240 1281499 20.00 ug/1 0.00 59) Perylene-d12 37.12 264 873375 20.00 ug/l 0.00 System Monitoring Compounds 52) 2,4-DDD 30.07 235 129346 5.35 ug/mL 0.00 Spiked Amount 5.000 Recovery = 107.00%

Target Compounds Qvalue 2) Pyridine 0.00 79 0 N.D. 3) N-nitroso-dimethyl amine 5.24 74 200 N.D. 4) Phenol 0.00 94 0 N.D. 5) bis(2-Chloroethyl)ether 0.00 93 0 N.D. 6) 2-Chiorophenol 0.00 128 0 N.D. 7) 1,3-Dichlorobenzene 0.00 146 0 N.D. 8) 1,4-Dichlorobenzene 0.00 146 0 N.D. 9) 1,2-Dichlorobenzene 0.00 146 0 N.D. 10) 2-Methylphenol 0.00 108 0 N.D. 11) 2,2'-oxybis(1-Chloropropan 0.00 45 0 N.D. 12) 3&4-Methylphenol 0.00 108 0 N.D. 13) N-Nitroso-di-n-propylamine 0.00 70 0 N.D. 14) Hexachloroethane 0.00 117 0 N.D. 16) Nitrobenzene 0.00 77 0 N.D. 17) Isophorone 0.00 82 0 N.D. 18) 2-Nitrophenol 0.00 139 0 N.D. 19) 2,4-Dimethylphenol 0.00 107 0 N.D. 20) bis(2-Chloroethoxy)methane 0.00 93 0 N.D. 21) 2,4-Dichlorophenol 0.00 162 0 N.D. 22) 1,2,4-Trichlorobenzene .0.00 180 0 N.D. 23) Naphthalene 15.37 128 349 N.D. 24) Hexachlorobutadiene 0.00 225 0 N.D. 25) 4-Chloro-3-methylphenol 0.00 107 0 N.D. 27) Hexachlorocyclopentadiene 0.00 237 0 N.D. 28) 2,4,6-Trichlorophenol 0.00 196 0 N.D. 29) 2,4,5-Trichlorophenol 0.00 196 0 N.D. 30) 2-Chloronaphthalene 0.00 162 0 N.D. 31) Dimethylphthalate 0.00 163 0 N.D. 32) 2,6-Dinitrotoluene 0.00 165 0 N.D. ------------------------------------------------------------------------- (#) = qualifier out of range (m) = manual integration 28688.D GCMS1126.M Thu Dec 06 13:02:02 2001 Page 1

NYC-WTC 000035027