25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 10 28 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 46320 46260 46380 192 102 46470 46380 46560 99999 86 46635 46560 46710 154 91 46785 46710 46860 76 130 46950 46860 47040 85 125 47100 47040 47160 99999 79 47235 47160 47310 177 68 47385 47310 47460 184 99999 47535 47460 47610 123 34 47685 47610 47760 71 58 47835 47760 47910 85 125 47985 47910 48060 53 94 48135 48060 48210 46 -888 48285 48210 48360 16 99999 48435 48360 48510 -888 -888 48585 48510 48660 21 -888 48735 48660 48810 46 -888 48885 48810 48960 21 -888 49035 48960 49110 23 -888 49185 49110 49260 -888 36 49335 49260 49410 39 34 49485 49410 49560 99999 99999 49635 49560 49710 39 34 49785 49710 49860 67 36 49935 49860 50010 93 45 50085 50010 50160 79 65 50235 50160 50310 85 68 50400 50310 50490 79 72 50550 50490 50610 46 57 50685 50610 50760 82 58 50835 50760 50910 93 68 50985 50910 51060 67 -888 51135 51060 51210 61 -888 51285 51210 51360 44 43 51435 51360 51510 61 -888 51585 51510 51660 99999 -888 51735 51660 51810 61 -888 51885 51810 51960 62 -888 52035 51960 52110 77 -888 52185 52110 52260 62 -888 52335 52260 52410 61 -888 52485 52410 52560 99999 -888 52635 52560 52710 77 -888 52785 52710 52860 56 -888 52935 52860 53010 162 -888 53085 53010 53160 87 99999 53235 53160 53310 54 57 53385 53310 53460 30 72 53535 53460 53610 54 114 53685 53610 53760 41 83 53835 53760 53910 69 99999 53985 53910 54060 51 83 54135 54060 54210 99999 99999 54285 54210 54360 41 72 54435 54360 54510 54 92 54585 54510 54660 62 65 54735 54660 54810 85 68 54885 54810 54960 82 72 55035 54960 55110 77 57 55185 55110 55260 117 -888 55335 55260 55410 99999 99999 55485 55410 55560 99999 68 55635 55560 55710 146 68 55785 55710 55860 99999 99999 55935 55860 56010 270 57 56085 56010 56160 338 87 56235 56160 56310 316 80 56385 56310 56460 279 72 56535 56460 56610 308 69 56685 56610 56760 307 58 56835 56760 56910 347 34 56985 56910 57060 404 43 57135 57060 57210 370 57 57285 57210 57360 368 39 57435 57360 57510 354 -888 57585 57510 57660 353 36 57735 57660 57810 347 34 57885 57810 57960 348 29 58035 57960 58110 323 -888 58185 58110 58260 253 25 58335 58260 58410 138 -888 58485 58410 58560 99999 99999 58635 58560 58710 85 -888 58785 58710 58860 117 29 58935 58860 59010 123 34 59085 59010 59160 138 -888 59235 59160 59310 108 -888 59385 59310 59460 117 -888 59535 59460 59610 154 -888 59685 59610 59760 117 29 59835 59760 59910 123 -888 59985 59910 60060 148 -888 60135 60060 60210 239 91 60285 60210 60360 205 29 60435 60360 60510 208 -888 60585 60510 60660 99999 -888 60735 60660 60810 162 34 60885 60810 60960 219 36 61035 60960 61110 239 68 61185 61110 61260 260 57 61335 61260 61410 269 45 61485 61410 61560 214 57 61635 61560 61710 154 68 61785 61710 61860 133 65 61935 61860 62010 200 57 62085 62010 62160 225 50 62235 62160 62310 285 57 62385 62310 62460 291 50 62535 62460 62610 254 34 62685 62610 62760 240 43 62835 62760 62910 316 45 62985 62910 63060 286 29 63135 63060 63210 138 34 63285 63210 63360 143 36 63435 63360 63510 123 -888 63585 63510 63660 143 99999 63735 63660 63810 108 34 63885 63810 63960 92 25 64035 63960 64110 93 34 64185 64110 64260 156 29 64335 64260 64410 85 -888 64485 64410 64560 87 -888 64635 64560 64710 93 -888 64785 64710 64860 84 29 64935 64860 65010 100 -888 65085 65010 65160 87 25 65235 65160 65310 93 -888 65385 65310 65460 92 29 65535 65460 65610 108 -888 65685 65610 65760 92 36 65835 65760 65910 123 34 65985 65910 66060 138 36 66135 66060 66210 123 34 66285 66210 66360 133 36 66435 66360 66510 169 34 66585 66510 66660 99999 29 66735 66660 66810 262 -888 66885 66810 66960 260 29 67035 66960 67110 285 -888 67185 67110 67260 276 36 67335 67260 67410 277 34 67485 67410 67560 283 36 67635 67560 67710 323 57 67785 67710 67860 327 47 67935 67860 68010 354 68 68085 68010 68160 378 29 68235 68160 68310 446 80