25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 11 10 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 51885 51810 51960 54 -888 52035 51960 52110 18 -888 52185 52110 52260 42 25 52335 52260 52410 64 -888 52485 52410 52560 78 -888 52650 52560 52740 73 -888 52800 52740 52860 78 -888 52935 52860 53010 73 -888 53085 53010 53160 84 99999 53235 53160 53310 91 -888 53385 53310 53460 78 25 53535 53460 53610 82 -888 53685 53610 53760 84 -888 53835 53760 53910 91 -888 53985 53910 54060 78 -888 54135 54060 54210 101 -888 54285 54210 54360 102 -888 54435 54360 54510 101 -888 54585 54510 54660 90 25 54735 54660 54810 46 -888 54885 54810 54960 48 -888 55035 54960 55110 37 -888 55185 55110 55260 36 -888 55335 55260 55410 37 -888 55485 55410 55560 -888 -888 55635 55560 55710 18 -888 55785 55710 55860 36 -888 55935 55860 56010 18 -888 56085 56010 56160 30 -888 56235 56160 56310 28 -888 56385 56310 56460 99999 -888 56535 56460 56610 -888 -888 56685 56610 56760 24 -888 56835 56760 56910 -888 -888 56985 56910 57060 24 -888 57135 57060 57210 -888 -888 57285 57210 57360 24 -888 57435 57360 57510 -888 -888 57585 57510 57660 36 -888 57735 57660 57810 28 -888 57870 57810 57930 48 -888 58020 57930 58110 55 -888 58185 58110 58260 99999 38 58335 58260 58410 91 47 58485 58410 58560 102 38 58635 58560 58710 101 35 58785 58710 58860 102 25 58935 58860 59010 128 -888 59085 59010 59160 120 50 59235 59160 59310 128 -888 59385 59310 59460 131 25 59535 59460 59610 147 -888 59685 59610 59760 131 25 59835 59760 59910 110 -888 59985 59910 60060 96 38 60135 60060 60210 128 -888 60285 60210 60360 108 -888 60435 60360 60510 119 -888 60585 60510 60660 108 -888 60735 60660 60810 137 -888 60885 60810 60960 167 25 61035 60960 61110 174 -888 61185 61110 61260 137 25 61335 61260 61410 193 -888 61485 61410 61560 150 -888 61635 61560 61710 174 -888 61785 61710 61860 150 -888 61935 61860 62010 174 -888 62085 62010 62160 150 25 62235 62160 62310 147 35 62385 62310 62460 108 38 62535 62460 62610 119 -888 62685 62610 62760 99999 25 62835 62760 62910 64 -888 62985 62910 63060 48 50 63135 63060 63210 64 -888 63285 63210 63360 18 50 63435 63360 63510 55 35 63585 63510 63660 24 63 63735 63660 63810 73 35 63885 63810 63960 66 50 64035 63960 64110 91 -888 64185 64110 64260 60 63 64335 64260 64410 73 -888 64485 64410 64560 30 99999 64635 64560 64710 91 47 64785 64710 64860 192 50 64935 64860 65010 193 35 65085 65010 65160 209 38 65235 65160 65310 229 35 65385 65310 65460 99999 50 65535 65460 65610 238 -888 65685 65610 65760 222 50 65835 65760 65910 229 -888 65985 65910 66060 293 63 66135 66060 66210 312 35 66285 66210 66360 329 63 66435 66360 66510 403 47 66585 66510 66660 509 50 66735 66660 66810 477 59 66885 66810 66960 484 63 67035 66960 67110 504 59 67185 67110 67260 550 75 67335 67260 67410 605 59 67485 67410 67560 670 63 67635 67560 67710 641 47 67785 67710 67860 503 50 67935 67860 68010 403 35 68085 68010 68160 461 25 68235 68160 68310 477 35 68385 68310 68460 509 38 68535 68460 68610 367 -888 68685 68610 68760 401 25 68835 68760 68910 348 -888 69000 68910 69090 281 25 69150 69090 69210 303 -888 69285 69210 69360 305 38 69435 69360 69510 312 -888 69585 69510 69660 299 25 69735 69660 69810 284 -888 69885 69810 69960 263 38 70035 69960 70110 293 -888 70185 70110 70260 239 38 70335 70260 70410 202 -888 70485 70410 70560 180 50 70635 70560 70710 202 -888 70785 70710 70860 203 -888 70935 70860 71010 211 -888 71085 71010 71160 180 -888 71235 71160 71310 174 -888 71385 71310 71460 198 25 71535 71460 71610 174 -888 71685 71610 71760 173 -888 71835 71760 71910 202 -888 71985 71910 72060 180 -888 72135 72060 72210 174 -888