25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 11 05 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 50235 50160 50310 123 -888 50385 50310 50460 24 -888 50535 50460 50610 110 -888 50685 50610 50760 28 -888 50985 50760 51210 75 27 51285 51210 51360 58 -888 51435 51360 51510 33 -888 51585 51510 51660 62 -888 51735 51660 51810 61 -888 51885 51810 51960 91 -888 52035 51960 52110 117 -888 52185 52110 52260 130 -888 52335 52260 52410 117 -888 52485 52410 52560 110 -888 52635 52560 52710 117 -888 52785 52710 52860 130 -888 52935 52860 53010 145 -888 53085 53010 53160 156 -888 53235 53160 53310 183 -888 53385 53310 53460 136 -888 53535 53460 53610 117 -888 53685 53610 53760 78 -888 53910 53760 54060 65 -888 54135 54060 54210 42 -888 54285 54210 54360 65 -888 54435 54360 54510 66 -888 54585 54510 54660 99999 -888 54735 54660 54810 136 -888 54885 54810 54960 85 -888 55035 54960 55110 52 -888 55185 55110 55260 52 -888 55335 55260 55410 192 -888 55485 55410 55560 52 -888 55635 55560 55710 -888 -888 55785 55710 55860 32 50 55935 55860 56010 24 -888 56085 56010 56160 42 99999 56235 56160 56310 33 -888 56385 56310 56460 23 -888 56610 56460 56760 55 41 56835 56760 56910 75 -888 56985 56910 57060 78 33 57135 57060 57210 70 69 57285 57210 57360 75 33 57435 57360 57510 66 42 57585 57510 57660 65 -888 57735 57660 57810 52 -888 57885 57810 57960 91 33 58035 57960 58110 117 -888 58185 58110 58260 78 33 58335 58260 58410 66 -888 58485 58410 58560 52 -888 58635 58560 58710 24 -888 58785 58710 58860 19 -888 58935 58860 59010 19 -888 59085 59010 59160 16 -888 59235 59160 59310 -888 -888 59385 59310 59460 29 -888 59535 59460 59610 -888 -888 59685 59610 59760 29 -888 59835 59760 59910 37 -888 59985 59910 60060 52 50 60135 60060 60210 70 -888 60285 60210 60360 71 66 60435 60360 60510 56 42 60585 60510 60660 58 -888 60735 60660 60810 52 -888 60885 60810 60960 46 -888 61035 60960 61110 42 -888 61185 61110 61260 42 -888 61335 61260 61410 42 -888 61485 61410 61560 39 99999 61635 61560 61710 -888 -888 61785 61710 61860 143 50 61935 61860 62010 61 -888 62085 62010 62160 169 33 62235 62160 62310 136 -888 62385 62310 62460 58 75 62535 62460 62610 66 69 62685 62610 62760 110 -888 62835 62760 62910 99 27 62985 62910 63060 46 -888 63135 63060 63210 47 -888 63285 63210 63360 19 33 63435 63360 63510 -888 -888 63585 63510 63660 -888 -888 63735 63660 63810 -888 -888 63885 63810 63960 36 33 64035 63960 64110 19 -888 64185 64110 64260 42 -888 64335 64260 64410 24 -888 64485 64410 64560 36 -888 64635 64560 64710 37 -888 64785 64710 64860 42 -888 64935 64860 65010 28 -888 65085 65010 65160 26 -888 65235 65160 65310 33 -888 65385 65310 65460 32 -888 65535 65460 65610 -888 -888 65685 65610 65760 -888 -888 65835 65760 65910 -888 -888 65985 65910 66060 -888 -888 66135 66060 66210 -888 -888 66285 66210 66360 -888 -888 66435 66360 66510 24 -888 66585 66510 66660 39 -888 66735 66660 66810 84 -888 66885 66810 66960 81 -888 67035 66960 67110 61 -888 67185 67110 67260 75 -888 67335 67260 67410 80 -888 67485 67410 67560 58 -888 67635 67560 67710 24 -888 67785 67710 67860 -888 -888 68010 67860 68160 -888 -888 68235 68160 68310 -888 -888 68385 68310 68460 -888 -888 68535 68460 68610 -888 -888 68685 68610 68760 -888 -888 68835 68760 68910 -888 -888 68985 68910 69060 -888 -888 69135 69060 69210 -888 69 69285 69210 69360 -888 -888 69435 69360 69510 28 -888 69585 69510 69660 -888 -888 69735 69660 69810 -888 -888 69885 69810 69960 32 -888 70110 69960 70260 110 33 70335 70260 70410 164 27 70485 70410 70560 189 33 70635 70560 70710 183 55 70785 70710 70860 169 116 70935 70860 71010 192 55 71085 71010 71160 214 66 71235 71160 71310 192 -888 71385 71310 71460 169 66