25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 10 31 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 30735 30660 30810 20 89 30885 30810 30960 55 82 31035 30960 31110 43 72 31185 31110 31260 55 99 31347 31260 31435 59 78 31497 31435 31560 64 82 31635 31560 31710 55 89 31785 31710 31860 68 115 31945 31860 32030 67 89 32095 32030 32160 89 131 32235 32160 32310 67 89 32385 32310 32460 63 82 32535 32460 32610 63 -888 32685 32610 32760 68 66 32835 32760 32910 75 33 32985 32910 33060 89 82 33135 33060 33210 99 56 33285 33210 33360 208 66 33445 33360 33530 162 -888 33595 33530 33660 217 -888 33735 33660 33810 185 -888 33885 33810 33960 217 49 34043 33960 34125 201 -888 34193 34125 34260 199 66 34340 34260 34420 162 33 34490 34420 34560 85 -888 34635 34560 34710 87 33 34800 34710 34890 89 -888 34950 34890 35010 102 33 35085 35010 35160 157 49 35235 35160 35310 177 -888 35385 35310 35460 191 82 35535 35460 35610 178 -888 35685 35610 35760 157 49 35835 35760 35910 169 56 35985 35910 36060 191 82 36135 36060 36210 178 67 36285 36210 36360 99999 66 36435 36360 36510 177 56 36585 36510 36660 182 66 36735 36660 36810 169 45 36885 36810 36960 217 66 37035 36960 37110 185 33 37185 37110 37260 98 49 37335 37260 37410 55 -888 37485 37410 37560 43 -888 37635 37560 37710 24 -888 37785 37710 37860 34 -888 37935 37860 38010 43 -888 38085 38010 38160 34 -888 38235 38160 38310 59 -888 38385 38310 38460 114 74 38535 38460 38610 90 45 38685 38610 38760 106 82 38835 38760 38910 75 33 38985 38910 39060 51 99999 39135 39060 39210 39 -888 39285 39210 39360 -888 -888 39435 39360 39510 -888 -888 39585 39510 39660 26 -888 39735 39660 39810 27 -888 39885 39810 39960 26 -888 40035 39960 40110 20 -888 40185 40110 40260 30 -888 40335 40260 40410 32 -888 40485 40410 40560 17 -888 40635 40560 40710 24 -888 40785 40710 40860 -888 -888 41010 40860 41160 -888 -888 41235 41160 41310 -888 -888 41385 41310 41460 -888 -888 41535 41460 41610 -888 -888 41685 41610 41760 -888 -888 41835 41760 41910 16 -888 41985 41910 42060 -888 -888 42150 42060 42240 -888 -888 42300 42240 42360 -888 -888 42435 42360 42510 -888 -888 42585 42510 42660 -888 -888 42735 42660 42810 16 -888 42885 42810 42960 -888 -888 43035 42960 43110 20 -888 43185 43110 43260 21 -888 43335 43260 43410 24 -888 43500 43410 43590 26 -888 43650 43590 43710 24 -888 43785 43710 43860 21 -888 43935 43860 44010 27 -888 44085 44010 44160 17 -888 44235 44160 44310 55 -888 44385 44310 44460 -888 -888 44535 44460 44610 43 -888 44685 44610 44760 21 -888 44835 44760 44910 63 33 44985 44910 45060 55 -888 45135 45060 45210 52 -888 45285 45210 45360 99999 -888 45435 45360 45510 59 -888 45600 45510 45690 81 33 45750 45690 45810 83 -888 45885 45810 45960 47 -888 46035 45960 46110 52 -888 46185 46110 46260 55 -888 46335 46260 46410 47 -888 46485 46410 46560 51 -888 46635 46560 46710 83 -888 46785 46710 46860 98 33 46935 46860 47010 90 -888 47085 47010 47160 123 49 47235 47160 47310 138 -888 47385 47310 47460 123 49 47535 47460 47610 87 -888 47685 47610 47760 157 -888 47835 47760 47910 71 -888 47985 47910 48060 21 -888 48135 48060 48210 36 -888 48285 48210 48360 -888 -888 48450 48360 48540 52 33 48600 48540 48660 38 -888 48735 48660 48810 59 -888 48885 48810 48960 89 82 49035 48960 49110 83 56 49185 49110 49260 99999 82 49335 49260 49410 110 45 49485 49410 49560 123 82 49635 49560 49710 75 45 49815 49710 49920 77 -888 50040 49920 50160 66 -888 50340 50160 50520 49 -888 50640 50520 50760 56 -888 50910 50760 51060 59 39 51210 51060 51360 72 -888 51510 51360 51660 95 -888