25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 10 29 1998 03 15 0 mid-time of sample in UT (s) 4 1.0 1.0 1.0 1.0 999999 999999 99999 99999 start-time of sample in UT (s) end-time of sample in UT (s) H2O2 (pptv) CH3OOH (pptv) 3 data for exchange reported data is not positive definite negative values denote lower limit of detection or upper limit of detection 4 Peroxide measurements used the method of Lee et al., JAOTech., 1995. data below detection limit ( h2o2=15; ch3ooh=25 pptv ) reported as -888 data greater than that which is recordable is reported as -777 mid start stop h2o2 ch3ooh 41385 41310 41460 30 38 41535 41460 41610 73 65 41685 41610 41760 25 77 41835 41760 41910 65 58 41985 41910 42060 33 32 42135 42060 42210 119 -888 42285 42210 42360 46 38 42435 42360 42510 42 -888 42570 42510 42630 25 -888 42720 42630 42810 50 -888 42885 42810 42960 51 -888 43110 42960 43260 51 -888 43335 43260 43410 58 -888 43485 43410 43560 41 38 43635 43560 43710 42 -888 43785 43710 43860 51 64 43935 43860 44010 58 65 44085 44010 44160 67 77 44235 44160 44310 65 84 44385 44310 44460 77 96 44535 44460 44610 99999 99999 44685 44610 44760 77 89 44835 44760 44910 99999 99999 44985 44910 45060 72 77 45135 45060 45210 99999 99999 45285 45210 45360 184 148 45435 45360 45510 99999 99999 45585 45510 45660 179 154 45810 45660 45960 184 154 46110 45960 46260 184 148 46410 46260 46560 194 135 46710 46560 46860 482 167 46935 46860 47010 150 123 47085 47010 47160 107 135 47235 47160 47310 135 90 47385 47310 47460 112 141 47535 47460 47610 104 129 47685 47610 47760 100 103 47835 47760 47910 104 110 47985 47910 48060 67 38 48135 48060 48210 34 51 48285 48210 48360 36 -888 48435 48360 48510 50 -888 48585 48510 48660 51 -888 48735 48660 48810 62 -888 48885 48810 48960 56 -888 49035 48960 49110 73 -888 49185 49110 49260 59 38 49335 49260 49410 62 -888 49485 49410 49560 59 -888 49635 49560 49710 73 -888 49785 49710 49860 69 -888 49935 49860 50010 58 -888 50085 50010 50160 64 -888 50235 50160 50310 58 26 50397 50310 50485 69 -888 50547 50485 50610 69 -888 50685 50610 50760 46 -888 50835 50760 50910 42 32 50985 50910 51060 36 -888 51135 51060 51210 42 -888 51285 51210 51360 20 -888 51435 51360 51510 15 -888 51585 51510 51660 15 26 51735 51660 51810 31 32 51885 51810 51960 36 26 52035 51960 52110 38 -888 52185 52110 52260 46 26 52335 52260 52410 292 -888 52485 52410 52560 36 38 52635 52560 52710 31 -888 52785 52710 52860 20 38 52935 52860 53010 15 -888 53085 53010 53160 20 -888 53235 53160 53310 19 -888 53385 53310 53460 41 77 53535 53460 53610 108 97 53685 53610 53760 143 116 53835 53760 53910 131 84 54000 53910 54090 125 64 54150 54090 54210 100 -888 54285 54210 54360 90 38 54435 54360 54510 89 -888 54585 54510 54660 92 64 54735 54660 54810 104 -888 54885 54810 54960 97 51 55035 54960 55110 104 65 55185 55110 55260 107 51 55335 55260 55410 119 51 55485 55410 55560 317 122 55635 55560 55710 389 110 55785 55710 55860 384 122 55935 55860 56010 350 129 56085 56010 56160 340 154 56235 56160 56310 382 117 56385 56310 56460 363 135 56550 56460 56640 393 142 56700 56640 56760 384 154 56835 56760 56910 412 136 56985 56910 57060 391 129 57135 57060 57210 420 129 57330 57210 57450 414 141 57495 57450 57540 366 90 57600 57540 57660 337 103 57735 57660 57810 358 103 57885 57810 57960 241 90 58035 57960 58110 242 78 58185 58110 58260 228 77 58335 58260 58410 231 90 58485 58410 58560 225 90 58635 58560 58710 243 78 58785 58710 58860 235 51 58935 58860 59010 274 78 59085 59010 59160 281 64 59235 59160 59310 289 78 59385 59310 59460 286 77 59535 59460 59610 343 78 59685 59610 59760 327 90 59835 59760 59910 320 78 59985 59910 60060 251 64 60135 60060 60210 216 -888 60285 60210 60360 90 51 60450 60360 60540 77 -888 60600 60540 60660 67 -888 60735 60660 60810 54 -888 60885 60810 60960 53 -888 61035 60960 61110 52 -888 61185 61110 61260 54 -888 61335 61260 61410 32 26 61485 61410 61560 34 -888 61635 61560 61710 109 -888 61815 61710 61920 34 -888 61965 61920 62010 39 -888 62085 62010 62160 45 -888 62250 62160 62340 24 -888 62400 62340 62460 48 -888 62535 62460 62610 36 -888 62685 62610 62760 50 41 62835 62760 62910 124 -888 63005 62910 63100 59 -888 63155 63100 63210 43 -888 63285 63210 63360 71 -888 63450 63360 63540 32 -888 63600 63540 63660 31 -888 63810 63660 63960 30 -888 64110 63960 64260 20 -888 64410 64260 64560 22 -888 64710 64560 64860 24 -888