25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 11 09 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 59610 59460 59760 124 -888 59910 59760 60060 81 -888 60210 60060 60360 60 42 60510 60360 60660 38 32 60810 60660 60960 38 32 61110 60960 61260 60 -888 61410 61260 61560 70 -888 61635 61560 61710 113 -888 61785 61710 61860 81 -888 61935 61860 62010 103 -888 62100 62010 62190 97 -888 62250 62190 62310 94 -888 62385 62310 62460 99999 99999 62535 62460 62610 84 99999 62685 62610 62760 97 -888 62835 62760 62910 94 42 62985 62910 63060 81 53 63135 63060 63210 103 28 63285 63210 63360 97 42 63435 63360 63510 103 99999 63585 63510 63660 75 99999 63735 63660 63810 75 28 63885 63810 63960 81 63 64035 63960 64110 66 56 64185 64110 64260 70 74 64335 64260 64410 75 56 64500 64410 64590 81 42 64650 64590 64710 94 28 64785 64710 64860 119 32 64935 64860 65010 56 -888 65085 65010 65160 60 32 65235 65160 65310 28 -888 65385 65310 65460 49 99999 65535 65460 65610 47 42 65685 65610 65760 38 32 65835 65760 65910 38 42 65985 65910 66060 49 63 66135 66060 66210 47 56 66285 66210 66360 49 63 66435 66360 66510 47 28 66585 66510 66660 60 -888 66735 66660 66810 38 28 66885 66810 66960 49 -888 67035 66960 67110 66 -888 67185 67110 67260 54 -888 67335 67260 67410 66 -888 67485 67410 67560 76 -888 67635 67560 67710 56 -888 67785 67710 67860 65 -888 67935 67860 68010 47 -888 68085 68010 68160 27 42 68235 68160 68310 47 28 68385 68310 68460 21 42 68535 68460 68610 28 28 68685 68610 68760 32 -888 68835 68760 68910 -888 -888 68985 68910 69060 43 99999 69135 69060 69210 38 -888 69285 69210 69360 27 42 69435 69360 69510 -888 42 69585 69510 69660 21 -888 69735 69660 69810 28 -888 69885 69810 69960 38 32 70035 69960 70110 19 -888 70185 70110 70260 32 32 70335 70260 70410 28 28 70485 70410 70560 27 -888 70635 70560 70710 28 -888 70785 70710 70860 99999 99999 70935 70860 71010 28 28 71085 71010 71160 43 -888 71235 71160 71310 38 28 71385 71310 71460 43 -888 71535 71460 71610 56 -888 71685 71610 71760 38 -888 71835 71760 71910 47 -888 71985 71910 72060 32 -888 72135 72060 72210 38 -888 72285 72210 72360 43 -888 72435 72360 72510 28 -888 72585 72510 72660 49 -888 72735 72660 72810 38 -888 72885 72810 72960 43 -888 73035 72960 73110 38 -888 73185 73110 73260 38 -888 73335 73260 73410 38 -888 73485 73410 73560 38 -888 73635 73560 73710 38 -888 73785 73710 73860 54 -888 73935 73860 74010 66 -888 74085 74010 74160 99999 99999 74235 74160 74310 56 -888 74385 74310 74460 43 -888 74535 74460 74610 47 -888 74685 74610 74760 38 53 74835 74760 74910 28 28 74985 74910 75060 32 32 75135 75060 75210 19 28 75300 75210 75390 32 -888 75450 75390 75510 47 28 75585 75510 75660 27 -888 75735 75660 75810 47 -888 75885 75810 75960 49 -888 76035 75960 76110 28 -888 76185 76110 76260 43 -888 76335 76260 76410 28 -888 76485 76410 76560 27 32 76635 76560 76710 47 28 76785 76710 76860 60 -888 76935 76860 77010 56 -888 77085 77010 77160 49 -888 77235 77160 77310 56 -888 77385 77310 77460 65 -888 77535 77460 77610 66 -888 77685 77610 77760 43 -888 77835 77760 77910 38 -888 77985 77910 78060 49 -888 78135 78060 78210 66 -888 78285 78210 78360 49 -888 78435 78360 78510 66 -888 78615 78510 78720 60 53 78765 78720 78810 38 84 78885 78810 78960 43 32 79035 78960 79110 19 42 79185 79110 79260 32 84 79335 79260 79410 47 69 79485 79410 79560 27 95 79635 79560 79710 38 28