25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 11 03 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 50010 49860 50160 57 -888 50310 50160 50460 57 -888 50610 50460 50760 45 -888 50910 50760 51060 34 -888 51210 51060 51360 34 -888 51510 51360 51660 99999 -888 51735 51660 51810 37 -888 51885 51810 51960 -888 -888 52035 51960 52110 48 -888 52210 52110 52310 19 -888 52360 52310 52410 26 -888 52485 52410 52560 38 -888 52635 52560 52710 52 -888 52785 52710 52860 19 -888 53010 52860 53160 19 -888 53235 53160 53310 48 -888 53385 53310 53460 53 -888 53535 53460 53610 67 -888 53685 53610 53760 65 -888 53835 53760 53910 85 -888 53985 53910 54060 34 -888 54135 54060 54210 70 -888 54285 54210 54360 99999 -888 54435 54360 54510 63 -888 54585 54510 54660 34 -888 54810 54660 54960 27 -888 55110 54960 55260 41 -888 55410 55260 55560 34 -888 55710 55560 55860 60 -888 56010 55860 56160 69 -888 56310 56160 56460 72 -888 56610 56460 56760 50 -888 56910 56760 57060 41 -888 57135 57060 57210 81 88 57285 57210 57360 80 92 57435 57360 57510 74 77 57585 57510 57660 76 26 57735 57660 57810 92 -888 57885 57810 57960 99 -888 58035 57960 58110 70 33 58185 58110 58260 95 -888 58335 58260 58410 78 -888 58485 58410 58560 79 -888 58635 58560 58710 63 -888 58785 58710 58860 80 99999 59010 58860 59160 72 -888 59235 59160 59310 48 -888 59385 59310 59460 87 -888 59610 59460 59760 52 -888 59910 59760 60060 76 -888 60210 60060 60360 95 -888 60510 60360 60660 95 53 60810 60660 60960 64 118 61110 60960 61260 57 132 61410 61260 61560 76 53 61710 61560 61860 57 -888 62010 61860 62160 41 -888 62310 62160 62460 41 40 62535 62460 62610 59 -888 62685 62610 62760 41 -888 62835 62760 62910 52 -888 62985 62910 63060 65 -888 63135 63060 63210 52 -888 63285 63210 63360 38 26 63435 63360 63510 59 -888 63585 63510 63660 31 -888 63750 63660 63840 34 -888 63900 63840 63960 38 -888 64035 63960 64110 39 -888 64185 64110 64260 38 -888 64335 64260 64410 33 -888 64485 64410 64560 40 -888 64635 64560 64710 43 -888 64860 64710 65010 27 -888 65085 65010 65160 40 -888 65235 65160 65310 39 -888 65385 65310 65460 44 -888 65535 65460 65610 31 -888 65685 65610 65760 44 -888 65835 65760 65910 50 34 65985 65910 66060 35 -888 66135 66060 66210 52 -888 66285 66210 66360 50 -888 66435 66360 66510 55 33 66585 66510 66660 50 79 66735 66660 66810 48 44 66885 66810 66960 45 -888 67035 66960 67110 44 33 67185 67110 67260 38 26 67335 67260 67410 33 -888 67485 67410 67560 38 40 67635 67560 67710 33 -888 67785 67710 67860 19 -888 67935 67860 68010 30 -888 68085 68010 68160 -888 53 68235 68160 68310 52 -888 68385 68310 68460 57 66 68535 68460 68610 92 55 68685 68610 68760 98 39 68835 68760 68910 92 -888 68985 68910 69060 53 -888 69135 69060 69210 67 -888 69285 69210 69360 60 -888 69435 69360 69510 92 -888 69585 69510 69660 65 -888 69735 69660 69810 67 -888 69885 69810 69960 27 -888 70035 69960 70110 44 -888 70185 70110 70260 53 99999 70335 70260 70410 30 -888 70485 70410 70560 72 -888 70635 70560 70710 78 -888 70785 70710 70860 65 -888 70935 70860 71010 78 -888