26 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 10 15 1999 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) 4 10/17/97 update: fixed error in baseline subtraction; H2O2 only 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 44610 44460 44760 194 107 44835 44760 44910 326 231 44985 44910 45060 317 123 45135 45060 45210 228 109 45292 45210 45374 179 99999 45442 45374 45510 156 109 45585 45510 45660 125 98 45735 45660 45810 148 109 45885 45810 45960 145 98 46035 45960 46110 156 82 46185 46110 46260 150 123 46335 46260 46410 174 109 46485 46410 46560 179 82 46635 46560 46710 210 55 46790 46710 46870 184 74 46940 46870 47010 210 55 47085 47010 47160 198 74 47235 47160 47310 201 68 47385 47310 47460 203 66 47535 47460 47610 210 55 47685 47610 47760 208 66 47835 47760 47910 210 55 47985 47910 48060 203 99999 48135 48060 48210 192 68 48285 48210 48360 204 57 48435 48360 48510 -888 130 48660 48510 48810 201 41 48885 48810 48960 99999 66 49035 48960 49110 291 81 49185 49110 49260 253 82 49335 49260 49410 371 95 49485 49410 49560 483 66 49628 49560 49695 452 109 49778 49695 49860 414 107 49935 49860 50010 398 95 50085 50010 50160 365 90 50235 50160 50310 380 95 50385 50310 50460 429 98 50535 50460 50610 452 82 50685 50610 50760 429 90 50910 50760 51060 419 98 51135 51060 51210 416 81 51285 51210 51360 434 98 51435 51360 51510 515 95 51585 51510 51660 99999 99999 51735 51660 51810 649 164 51885 51810 51960 459 246 52035 51960 52110 380 300 52185 52110 52260 145 107 52335 52260 52410 139 109 52485 52410 52560 150 156 52635 52560 52710 228 123 52785 52710 52860 228 98 52935 52860 53010 183 109 53085 53010 53160 135 131 53235 53160 53310 130 95 53385 53310 53460 81 99999 53535 53460 53610 112 68 53697 53610 53784 145 57 53847 53784 53910 112 55 53985 53910 54060 155 66 54135 54060 54210 139 82 54285 54210 54360 91 99999 54435 54360 54510 94 123 54585 54510 54660 140 99999 54735 54660 54810 193 150 54885 54810 54960 81 99999 55035 54960 55110 139 136 55185 55110 55260 71 99999 55335 55260 55410 94 150 55485 55410 55560 99999 99999 55635 55560 55710 49 27 55785 55710 55860 99999 99999 55935 55860 56010 40 -888 56085 56010 56160 47 -888 56235 56160 56310 40 -888 56385 56310 56460 51 99999 56535 56460 56610 49 -888 56685 56610 56760 51 -888 56835 56760 56910 58 -888 56985 56910 57060 51 -888 57135 57060 57210 58 -888 57285 57210 57360 47 -888 57435 57360 57510 40 -888 57585 57510 57660 51 -888 57735 57660 57810 40 -888 57885 57810 57960 51 -888 58035 57960 58110 49 -888 58185 58110 58260 37 -888 58335 58260 58410 49 -888 58485 58410 58560 46 -888 58635 58560 58710 31 -888 58785 58710 58860 47 -888 58935 58860 59010 40 -888 59085 59010 59160 42 -888 59235 59160 59310 40 27 59385 59310 59460 37 -888 59535 59460 59610 40 27 59700 59610 59790 61 41 59850 59790 59910 67 41 59985 59910 60060 32 57 60135 60060 60210 67 55 60285 60210 60360 66 82 60435 60360 60510 76 55 60585 60510 60660 56 115 60735 60660 60810 76 82 60885 60810 60960 99999 99999 61035 60960 61110 67 68 61185 61110 61260 47 49 61335 61260 61410 85 41 61485 61410 61560 76 99999 61635 61560 61710 94 55 61785 61710 61860 56 57 61935 61860 62010 94 68 62085 62010 62160 99999 99999 62235 62160 62310 130 109 62385 62310 62460 99999 99999 62535 62460 62610 99999 99999 62685 62610 62760 99999 99999 62835 62760 62910 183 300 62985 62910 63060 99999 99999 63135 63060 63210 175 314 63285 63210 63360 99999 99999 63435 63360 63510 246 272 63585 63510 63660 99999 99999 63735 63660 63810 246 286 63885 63810 63960 99999 99999 64035 63960 64110 238 273 64185 64110 64260 99999 99999 64335 64260 64410 246 314