GCMS header fragment with Method 508, May 2002

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Response Factor Report Instrumen Method : C:\MSDCHEM\1\METHODS\052202.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Last Update : Wed May 22 09:42:05 2002 Response via : Initial Calibration Calibration Files 5.0 =CAL5.D 10.0 =CAL10.D 20.0 =CAL20B.D 80.0 =CAL80.D 160 =CAL160.D 50.0 =CAL50.D

Compound 5.0 10.0 20.0 80.0 160 50.0 Avg %RSD

1) 1 1,4-Dichlorobenzene-d I STD 2) n-nitros-dimeth 0.398 0.585 0.766 0.791 0.770 0.821 0.689 23.92 3) bis (2-Chloroeth 1.512 1.546 1.631 1.427 1.253 1.522 1.482 8.76 4) 1,3-DiChloroben 1.630 1.641 1.583 1.408 1.17.5 1.520 1.493 11.90 5) 1,4-Dichloroben 1.817 1.794 1.722 1.509 1.244 1.645 1.622 13.32 6) 1,2-Dichloroben 1.540 1.569 1.536 1.343 1.124 1.457 1.428 11.92 7) 2,2'oxybis(1-Ch 2.252 2.324 2.490 2.239 2.011 2.306 2.270 6.86 8) N-nitroso-di-pr 0.841 0.953 1.114 0.983 0.896 1.000 0.964 9.73 9) Hexachloroethan 0.594 0.625 0.636 0.575 0.488 0.609 0.588 9.08

10) Napthalene-d8 --------------------------------- --------------------------------------- 11) Nitrobenzene 0.310 0.347 0.389 0.362 0.329 0.370 0.351 8.14 12) Isophorone 0.571 0.658 0.730 0.636 0.555 0.667 0.636 10.22 13) bis(2-Chloroeth 0.450 0.469 0.496 0.431 0.373 0.456 0.446 9.39 14) 1,2,4-Trichloro 0.340 0.336 0.321 0.279 0.235 0.303 0.302 13.14 15) Napthalene 1.199 1.184 1.145 0.959 0.786 1.054 1.055 15.13 16) Hexachlorobutad 0.162 0.161 0.154 0.133 0.110 0.145 0.144 13.81

17) Acenapt halene-d10 ------------------------------ -- ----------------- --------------------- 18) 2-Chloronaphtha 1.143 1.127 1.076 0.957 0.806 1.039 1.025 12.32 19) Dimethylphthala 1.236 1.321 1.356 1.231 1.105 1.295 1.257 7.07 20) 2,6-Dinitrotolu 0.137 0.184 0.239 0.219 0.207 0.226 0.202 18.32 21) Acenapthylene 1.914 1.954 1.853 1.565 1.289 1.678 1.709 14.82 22) Acenapthalene 1.218 1.229 1.165 0.981 0.805 1.077 1.079 15.16 23) 2,4-Dinitrotolu 0.207 0.315 0.313 0.306 0.310 0.290 16.15 24) Diethylphthalat 1.450 1.210 1.284 1.062 0.894 1.148 1.175 16.19 25) 4-Chlorophenyl- 0.705 0.696 0.676 0.578 0.483 0.624 0.627 13.61 26) Fluorene 1.417 1.421 1.403 1.165 0.942 1.283 1.272 14.96 27) s TCMX 0.217 0.190 0.077 0.199 0.196 0.169 0.175 28.71 28) Azobenzene 1.311 1.471 1.598 1.342 1.141 1.439 1.384 11.31

29) Phenanthranene-dl0 ------------------ --------------------- 30) Nnitrosodipheny 0.495 0.482 0.215 0.418 0.347 0.464 0.404 26.45 31) 4-Bromophenyl-p 0.222 0.233 0.222 0.191 0.153 0.208 0.205 14.27 32) Hexachlorobenze 0.226 0.227 0.207 0.184 0.151 0.199 0.199 14.34 33) Phenanthrene 1.393 1.388 1.291 1.074 0.878 1.195 1.203 16.65 34) Anthracene 1.272 1.319 1.287 1.113 0.911 1.204 1.184 12.89 35) Di-n-butylphtha 0.897 1.197 1.493 1.229 1.048 1.305 1.195 17.26 36) Fluoroanthene 1.284 1.383 1.484 1.170 0.976 1.284 1.264 13.94

37) Chrys ene-d12 ------------------------------ -- --------------------------------------- 38) Pyrene 1.463 1.611 2.050 1.481 1.337 1.589 1.589 15.53 39) Butylbenzylphth 0.441 0.903 0.689 0.666 0.700 0.680 24.11

(#) = Out of Range ### Number of calibration levels exceeded format ### 052202 .M Wed May 22 09:46:14 2002 Page 1

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