25 1001 Brian Heikes University of Rhode Island HPLC Peroxides From Coil Collection SONEX 1 1 1997 10 25 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 31260 31110 31410 84 -888 31560 31410 31710 99 36 31860 31710 32010 84 36 32160 32010 32310 76 -888 32460 32310 32610 91 -888 32760 32610 32910 91 71 33060 32910 33210 84 47 33360 33210 33510 72 -888 33660 33510 33810 68 -888 33960 33810 34110 76 -888 34260 34110 34410 68 36 34560 34410 34710 31 -888 34785 34710 34860 99999 99999 34935 34860 35010 15 -888 35085 35010 35160 99999 99999 35235 35160 35310 31 -888 35385 35310 35460 99999 99999 35535 35460 35610 27 -888 35685 35610 35760 99999 99999 35835 35760 35910 15 -888 35985 35910 36060 -888 -888 36135 36060 36210 -888 -888 36285 36210 36360 -888 -888 36435 36360 36510 99999 -888 36585 36510 36660 24 -888 36735 36660 36810 15 -888 36885 36810 36960 19 -888 37035 36960 37110 -888 -888 37185 37110 37260 19 -888 37335 37260 37410 19 -888 37485 37410 37560 22 -888 37635 37560 37710 15 -888 37785 37710 37860 29 -888 37935 37860 38010 19 -888 38085 38010 38160 22 -888 38235 38160 38310 -888 -888 38385 38310 38460 19 -888 38535 38460 38610 15 -888 38685 38610 38760 34 -888 38835 38760 38910 23 -888 38985 38910 39060 99999 99999 39135 39060 39210 19 -888 39285 39210 39360 19 -888 39465 39360 39570 27 -888 39615 39570 39660 24 -888 39735 39660 39810 15 99999 39885 39810 39960 24 -888 40035 39960 40110 -888 -888 40185 40110 40260 29 -888 40350 40260 40440 15 -888 40500 40440 40560 29 -888 40635 40560 40710 23 -888 40785 40710 40860 24 -888 40935 40860 41010 19 -888 41085 41010 41160 24 -888 41235 41160 41310 31 -888 41385 41310 41460 19 -888 41535 41460 41610 -888 -888 41685 41610 41760 -888 -888 41835 41760 41910 -888 -888 41985 41910 42060 -888 -888 42135 42060 42210 38 -888 42360 42210 42510 15 -888 42585 42510 42660 -888 -888 42735 42660 42810 31 -888 42885 42810 42960 44 -888 43035 42960 43110 61 -888 43185 43110 43260 58 -888 43335 43260 43410 45 -888 43485 43410 43560 53 -888 43635 43560 43710 61 -888 43785 43710 43860 53 26 43935 43860 44010 76 59 44085 44010 44160 63 43 44235 44160 44310 68 47 44385 44310 44460 58 34 44535 44460 44610 76 36 44685 44610 44760 77 26 44835 44760 44910 91 47 44985 44910 45060 82 43 45135 45060 45210 91 -888 45285 45210 45360 87 34 45435 45360 45510 91 36 45585 45510 45660 106 60 45735 45660 45810 99 -888 45885 45810 45960 44 -888 46035 45960 46110 38 -888 46185 46110 46260 48 26 46335 46260 46410 53 36 46485 46410 46560 58 26 46635 46560 46710 38 -888 46785 46710 46860 24 99999 46935 46860 47010 23 -888 47085 47010 47160 -888 -888 47235 47160 47310 -888 -888 47385 47310 47460 -888 -888 47535 47460 47610 -888 -888 47685 47610 47760 -888 -888 47835 47760 47910 45 36 47985 47910 48060 68 60 48135 48060 48210 91 59 48285 48210 48360 82 69 48435 48360 48510 91 71 48585 48510 48660 92 77 48735 48660 48810 76 95 48885 48810 48960 87 77 49035 48960 49110 91 71 49185 49110 49260 73 60 49335 49260 49410 91 83 49485 49410 49560 101 69 49635 49560 49710 91 47 49785 49710 49860 179 77 49935 49860 50010 99 83 50085 50010 50160 102 51 50235 50160 50310 91 36 50385 50310 50460 136 -888 50535 50460 50610 84 95 50685 50610 50760 102 94 50835 50760 50910 129 47 50985 50910 51060 150 34 51135 51060 51210 175 -888 51285 51210 51360 99999 34 51435 51360 51510 129 36 51585 51510 51660 126 34 51735 51660 51810 122 -888 51885 51810 51960 97 34 52035 51960 52110 76 59 52185 52110 52260 68 -888 52335 52260 52410 45 -888 52485 52410 52560 53 -888 52635 52560 52710 45 -888 52785 52710 52860 53 -888 52935 52860 53010 31 -888 53085 53010 53160 53 -888 53235 53160 53310 53 -888 53385 53310 53460 68 -888 53535 53460 53610 61 -888 53730 53610 53850 77 -888 53880 53850 53910 76 -888 53985 53910 54060 73 -888 54135 54060 54210 53 -888 54285 54210 54360 68 -888 54435 54360 54510 53 -888 54585 54510 54660 63 -888