37 1010 Talbot, Robert and Dibb, Jack University of New Hampshire Acidic Trace Gases SONEX 1 1 1997 11 10 1998 03 02 0 Midpoint of sampling interval in elapsed seconds from 00 Universal Time on takeoff date. 6 1.0 1.0 1.0 1.0 1.0 1.0 99999 99999 99999 99999 99999 99999 Nitric Acid (HNO3) Mixing Ratio (pptv) Nitric Acid Limit of Detection (pptv) Formic Acid (HCOOH) Mixing Ratio (pptv) Formic Acid Limit of Detection (pptv) Acetic Acid (CH3COOH) Mixing Ratio (pptv) Acetic Acid Limit of Detection (pptv) 2 1.0 1.0 99999 99999 Start Time (seconds) Stop Time (seconds) 0 12 Species mixing ratios are reported in parts per trillion by volume (pptv). Species mixing ratio below stated limit of detection is indicated by 88888. Start and stop times (in Universal Time) for individual samples are reported in seconds of the day (1 day = 86400 sec.). Average uncertainties in mixing ratios are as follows: HNO3 (< 30 pptv +/- 35%; 30 - 100 pptv +/- 25%; >100 pptv +/- 20%); HCOOH (<100 pptv +/- 30% ;>100 pptv +/- 20%; CH3COOH (<100 pptv +/- 35%, >100 pptv +/- 20%). Absolute accuracy of pptv values is unknown, but we believe it to be +/- 10 - 20%. Direct questions about these data to R. Talbot or J. Dibb at: Institute for the Study of Earth, Oceans and Space, Morse Hall, University of New Hampshire, Durham, NH 03824. E-mail: robert.talbot@unh.edu or jack.dibb@unh.edu 51626 51400 51852 85 99999 72 99999 88888 19 52033 51853 52212 76 99999 33 99999 88888 26 52399 52213 52585 48 99999 67 99999 88888 26 52764 52586 52942 47 99999 36 99999 88888 26 53133 52943 53323 33 99999 49 99999 88888 27 54615 54431 54800 197 99999 29 99999 88888 28 54983 54801 55165 223 99999 45 99999 88888 23 55347 55166 55528 367 99999 30 99999 88888 28 55717 55529 55905 448 99999 83 99999 88888 29 56039 55906 56172 470 99999 88888 29 88888 41 56297 56173 56421 454 99999 71 99999 88888 41 56541 56422 56660 570 99999 46 99999 88888 41 56786 56661 56911 670 99999 45 99999 88888 41 57034 56912 57156 544 99999 65 99999 88888 41 57284 57157 57410 629 99999 88888 30 88888 42 57539 57411 57667 723 99999 38 99999 88888 41 57773 57668 57878 337 99999 37 99999 88888 41 58006 57879 58132 347 99999 45 99999 88888 33 58288 58133 58442 180 99999 38 99999 88888 29 58598 58443 58753 167 99999 34 99999 88888 27 58909 58754 59064 142 99999 43 99999 88888 29 59219 59065 59373 118 99999 34 99999 88888 26 59528 59374 59683 97 99999 41 99999 88888 27 59862 59684 60040 106 99999 33 99999 88888 25 60195 60011 60380 119 99999 40 99999 88888 27 60505 60381 60628 68 99999 35 99999 88888 27 60778 60629 60927 92 99999 51 99999 88888 26 61071 60928 61215 74 99999 33 99999 88888 27 61349 61216 61483 62 99999 19 99999 88888 27 61629 61484 61774 50 99999 35 99999 88888 27 61917 61775 62059 77 99999 27 99999 88888 27 62196 62060 62332 40 99999 10 99999 88888 27 62512 62333 62691 65 99999 23 99999 88888 20 62871 62692 63050 52 99999 27 99999 88888 20 63224 63051 63396 68 99999 20 99999 88888 20 63551 63397 63704 38 99999 21 99999 88888 20 63860 63705 64015 41 99999 21 99999 88888 20 64167 64016 64319 40 99999 88888 14 88888 20 64476 64320 64632 70 99999 19 99999 88888 20 64787 64633 64940 53 99999 62 99999 88888 20 66149 66018 66280 237 99999 175 99999 44 99999 66391 66281 66501 359 99999 358 99999 44 99999 66646 66502 66790 209 99999 353 99999 210 99999 66929 66791 67066 144 99999 366 99999 229 99999 67209 67067 67350 146 99999 357 99999 249 99999 67472 67351 67593 197 99999 157 99999 65 99999 67705 67594 67816 320 99999 252 99999 305 99999 67930 67817 68042 383 99999 388 99999 278 99999 68148 68043 68253 423 99999 394 99999 223 99999 68358 68254 68461 616 99999 390 99999 183 99999 68571 68462 68680 723 99999 176 99999 61 99999 68810 68681 68939 572 99999 107 99999 167 99999 69073 68940 69205 186 99999 43 99999 192 99999 69335 69206 69464 184 99999 29 99999 88888 27 69603 69465 69740 99 99999 32 99999 88888 26 69878 69741 70015 106 99999 33 99999 88888 27 70202 70016 70387 84 99999 28 99999 88888 20 70532 70388 70675 121 99999 35 99999 88888 27 70819 70676 70962 73 99999 25 99999 88888 27 71113 70963 71262 93 99999 26 99999 88888 24 71406 71263 71548 51 99999 18 99999 88888 27 71695 71549 71840 95 99999 39 99999 88888 25 72032 71841 72222 58 99999 24 99999 88888 21 72413 72223 72603 65 99999 30 99999 88888 19