IGOR WAVES/D StartDateTime Duration LAT LONGT subNa supNa subNH4 supNH4 subK supK subMg supMg subCa supCa BEGIN 3236877480 50460 30.894539 -80.798262 0.033286065 0.641010601 0.928360728 0.023802032 0.015151664 0.02621 0.006616684 0.072790731 0.05469311 0.110254141 3236931900 15804 28.734632 -80.246574 0.058355767 1.336273521 0.286275489 0.074573003 0 0.050569926 0.004034712 0.133929379 0.097374889 0.236834129 3236955960 19560 27.2931 -80.00349 0.055216172 2.588053261 0.158070629 0.013321814 0 0.106684362 0.007764076 0.286851887 0.042488301 0.198223191 3236979540 10860 26.484555 -79.93234 0.047453047 1.233515234 0.085600281 0.00050249 0 0.053112434 0.008894821 0.14545958 0.024824502 0.168106875 3237019440 14220 24.706134 -80.64151 0.152057583 4.148621285 0.200946437 0.018959589 0.014478741 0.174176169 0.026619039 0.479674797 0.165413311 0.750999955 3237038100 16980 24.354794 -81.816688 0.132612095 2.829118488 0.216575566 0.009840221 0.018897072 0.128469856 0.025370179 0.322789482 0.162652255 0.584100946 3237063960 37800 24.366027 -82.70337 0.202879506 4.489304318 0.318125392 0.010560942 0.055555948 0.278808875 0.053098071 0.628050989 0.583373129 1.668919855 3237127260 9660 24.759494 -83.408014 0.351392589 8.430041155 1.158805126 0.062614429 0.095946488 0.403158003 0.091107628 1.128326541 0.782856882 3.264396485 3237153780 37920 25.591608 -85.779712 0.133343531 2.964012614 0.478919253 0.051803602 0.043756488 0.194274572 0.035281284 0.432336415 0.271899168 1.633683118 3237199080 11412 26.259168 -87.697024 0.144504532 3.650478333 0.448124563 0.022449631 0.034160855 0.173438364 0.046882312 0.481993572 0.315660516 1.521125243 3237216780 16800 26.495752 -88.127003 0.166439906 3.098153773 0.540291025 0.011217812 0.044827429 0.163379109 0.039021335 0.3823806 0.32354186 1.27127938 3237239820 38400 27.694325 -89.697535 0.088727082 1.78255496 0.540590346 0.007072606 0.019623185 0.095137743 0.023208245 0.228422819 0.131362337 0.644769897 3237281400 15660 27.94366 -91.42309 0.158614285 2.930242751 0.558017136 0.010891409 0.058622775 0.147299321 0.048999703 0.383119265 0.384492327 1.409852131 3237318960 44520 28.859464 -93.881945 0 0 3.201159859 0.078034545 0 0 0 0 0 0 3237389040 16920 29.74962 -95.288833 0.159243031 2.524598362 0.877336841 0 0.085884725 0.149979482 0.063160561 0.304193535 1.47765027 1.724576525 3237409920 41400 29.747382 -95.286838 0.054185506 1.864055013 0.407388637 0 0.036746604 0.116233527 0.024537348 0.266530616 0.329117358 1.041187676 3237454260 14700 29.72487 -95.266966 0.092178073 2.079309176 1.148585796 0.010618093 0.031958505 0.103299059 0.03293563 0.262716367 0.919188092 1.327596417 3237473580 19260 29.34729 -94.754707 0.060989152 1.946120448 0.723786527 0.00266532 0.007785144 0.07351164 0.026803785 0.243522929 0.144589857 0.688024556 3237503220 34380 29.150386 -94.569516 0.055714304 1.658651684 0.722813895 0.009544264 0.021256461 0.086015065 0.01783059 0.236717006 0.103686138 0.63402548 3237540600 15960 29.667136 -94.975294 0.055017932 1.575540469 0.796603933 0.003867101 0.009634067 0.071262451 0.017462588 0.188261793 0.121672201 0.297870525 3237559680 16560 29.682108 -95.007024 0.056707861 1.384755756 0.972884147 0.00386475 0.019267248 0.07778996 0.03167513 0.172806308 0.287630066 0.771895675 3237581640 41820 29.681275 -95.00759 0.022090328 0.716860885 0.486375903 0.003771754 0.007096466 0.037832116 0.006237181 0.087548069 0.142132772 0.362440977 3237627240 26220 29.68144 -95.007614 0.060453675 0.934151761 1.017233434 0.020995695 0.028112644 0.056669575 0.024345257 0.1248739 0.108690154 0.23353411 3237668940 41340 28.650922 -95.281266 0.030470913 0.691619767 0.384219169 0.013024513 0.012388525 0.118045638 0.013497088 0.080461371 0.011898284 0.049733855 3237713580 19020 28.201057 -95.571535 0.040285512 0.54621094 0.195059305 0.024700252 0 0.053134233 0 0.085169325 0 0.065043147 3237737940 11340 27.867205 -95.733867 0.009037414 0.14650496 7.678730908 0.388165933 0 0.034031513 0 0 0 0 3237754980 41880 27.284488 -96.635076 0.033638569 1.449490278 0.251242575 0 0.001323406 0.049615686 0.006185008 0.163571863 0.010942707 0.097372589 3237800460 14940 27.906718 -96.55899 0.040471794 1.647183136 0.372982228 1.2256E-05 0.016582381 0.067920352 0.015209708 0.191328561 0.072383991 0.20420595 3237819600 16260 28.189324 -96.209786 0.033082595 1.524365074 0.434267655 0.00161477 0.014678706 0.06596783 0.010092311 0.182211067 0.060060464 0.326841733 3237839820 42780 28.866936 -95.176195 0.030612591 1.414197466 0.453599712 0.007361475 0.006335049 0.065434923 0.011230314 0.176471051 0.043216737 0.310504243 3237922860 46680 29.584704 -93.434038 0.035292194 1.58359878 0.378015369 0.008288253 0.002875915 0.071202495 0.007332217 0.206000555 0.016049711 0.230403686 3237972540 15600 29.596269 -93.794761 0.056293712 1.202263007 0.63942912 0.029607689 0.003440936 0.068612262 0.018721819 0.135260063 0.110782496 0.304643261 3237992340 9660 30.02055 -94.02367 0.052647654 0.930780296 0.698274149 0.012938636 0.000629757 0.005604834 0.01474203 0.090112448 0.089396816 0.243306473 3238009560 47340 30.07822 -94.08927 0.03598277 0.885228297 0.599912231 0.007292486 0.020552818 0.04086023 0.008805363 0.098330038 0.13527352 0.222683653 3238068960 13320 29.910996 -93.892501 0.040474173 1.233313718 0.738726446 0 0.01245608 0.044615415 0.006926581 0.143031685 0.074236474 0.16980711 3238085730 17850 29.207176 -94.317373 0.025123293 0.954169678 0.345204358 0 0 0.035948048 0.006815134 0.094596911 0.017134612 0.094991149 3238106820 35520 29.751447 -95.28815 0.047636612 1.031256993 0.533055253 0.007968685 0.013826618 0.038453651 0.014063781 0.123811079 0 0.172402273 3238152300 29880 29.750352 -95.288272 0.035301903 0.749103951 0.375421381 0 0.00940171 0.026870692 0.009585516 0.069469719 0.264957268 0.2319796 3238186260 38040 29.750655 -95.288965 0.060507469 1.118039182 0.334208823 0 0.01718474 0.043632055 0.006256808 0.131994425 0.08385372 0.120697021 3238232400 14520 29.61252 -94.955095 0.065084962 2.283455107 0.582706586 0.007225543 0.004904452 0.1019549 0.01050392 0.252461252 0.068072219 0.229600473 3238251600 14280 29.212586 -94.65501 0.08877036 2.105672439 0.725904492 0.006495871 0.01388966 0.095653458 0.009849032 0.232911357 0 0.355528994 3238276740 37800 29.682082 -95.007864 0.054571414 1.027942392 0.30318481 0.000865717 0.005555016 0.054611093 0.007989844 0.117460923 0.055147356 0.139781384 3238318500 14520 29.684567 -95.008224 0.056009883 1.11030192 0.535020199 0.003405676 0.010885313 0.061042573 0.00774952 0.129518517 0.057947906 0.147404101 3238338660 23400 29.68269 -95.008023 0.106831839 1.28389221 0.660131492 0.003907121 0.004677913 0.043348661 0.009045737 0.14678724 0.078346183 0.186405088 3238366080 34200 29.68217 -95.007844 0.036012673 0.961952764 0.701889389 0.002391721 0.00156512 0.051112358 0.00639599 0.111584271 0.093229678 0.319336717 3238404840 15480 29.68133 -95.009128 0.074113441 1.362684662 0.737558062 0 0.005428386 0.046269012 0.024558369 0.164636865 2.322376943 1.445818804 3238424820 14340 29.681234 -95.008242 0.045307289 1.174282308 0.787231841 0 0.009480289 0.063928274 0.011011027 0.141381074 0.228646037 0.363887434 3238454700 32520 29.68108 -95.008381 0.054251611 1.130830143 0.872536693 0.003106934 0.009383411 0.059898874 0.012811212 0.139045089 0.474413986 0.352583817 3238492140 14940 29.681353 -95.008709 0.083582814 1.190991814 0.938652005 0 0.035986543 0.049874817 0.041197933 0.157722655 2.59987565 1.633083779 3238510440 15900 29.68331 -94.986089 0.058498609 1.281246714 1.20281545 0.005265277 0.036354287 0.058581547 0.024856128 0.149589157 0.40886949 0.708245096 3238536540 37800 29.32177 -94.40799 0.044978752 1.188266936 0.878163192 0.0060326 0.016269591 0.080110401 0.013432718 0.155877718 0.086037284 0.434142041 3238577940 17880 29.353084 -94.787299 0.050565325 1.082088023 0.958108602 0.003364098 0.015273907 0.058463053 0.010905096 0.132893152 0.094612429 0.33164247 3238599540 16140 29.68314 -94.98582 0.045831746 0.951294157 1.2819297 0 0.016174311 0.04659289 0.009081833 0.133768597 0.342230634 0.723725675 3238619760 39600 29.681198 -95.008742 0.049143599 0.642498233 1.350124386 0 0.00759032 0.0392613 0.012176983 0.07325132 0.169652439 0.219479302 3238670700 16200 29.388786 -94.811828 0.053470778 0.622245033 1.60766072 0.007317103 0.010637763 0.027786349 0 0.074487642 0.114568587 0.283592499 3238690320 11940 29.683232 -94.98559 0.054625136 0.346027011 1.322158866 0 0.006951057 0 0.014888517 0.045297465 0.504699144 0.387173878 3238710840 35640 29.282986 -94.544171 0.034536704 0.426226337 1.480298688 0.003828778 0.024122836 0.023830438 0.005331663 0.046456524 0.030303067 0.058968807 3239103000 12240 29.0062 -94.659142 0.042489452 1.001109262 0.82857954 0 0 0.064791129 0.00630968 0.108898037 0.030459421 0.061250341 3239118840 19800 29.006866 -95.100594 0.032293231 0.539569918 0.860489681 0.001167149 0.005089191 0.00645402 0.004721171 0.056811776 0.019652269 0.043570415 3239142960 35280 29.225448 -94.751235 0.030093116 0.711632092 0.738213663 0.005178228 0.003538765 0.024757746 0.007269317 0.079090167 0.015101619 0.047480703 3239181900 9180 28.578469 -95.859419 0.032384743 0.56159777 0.318297009 0 0 0.016126815 0 0.059258796 0.014183969 0.039705181 3239195100 25380 28.643936 -96.55506 0.028483936 0.62386011 0.659516631 0.000265825 0 0.029567564 0.007380554 0.063227269 0.02742689 0.094748647 3239226480 38100 28.738096 -95.113488 0.01874192 0.657124762 0.311414734 0 0 0.018720874 0.001779387 0.072093875 0.00546731 0.043918812 3239268600 8700 29.505786 -93.843908 0.04593418 0.312362241 0.276439356 0.007628929 0 0 0 0.03096185 0 0.021274003 3239288400 16980 29.293332 -94.564598 0.029222332 0.826749451 0.257443798 0 0 0.029528448 0 0.083026016 0 0.025395878 3239313300 37500 29.51315 -93.81359 0.053242538 0.643231183 0.249733877 0.000755372 0 0.01805486 0.002777821 0.06937729 0.007446509 0.017888678 3239355360 23640 29.45421 -93.92752 0.040268828 1.106335736 0.165032853 0.002121759 0.001268443 0.045139648 0.005396647 0.117895985 0 0.038873541 3239400600 36600 29.6819 -95.0075 0.049147927 1.921437024 0.505482878 0.006096213 0.007526093 0.090296209 0.004635582 0.21159162 0.025614855 0.11514923 3239441760 15840 29.682202 -95.00747 0.043912852 1.040729416 0.418233667 0 0.023432271 0.050592991 0.009427046 0.116019751 0.301371249 0.145992109 3239460660 16020 29.682118 -95.007452 0.141222277 1.188937861 0.315279818 0.005501172 0.003574601 0.07887102 0.005466354 0.119134027 0.068288808 0.141541437 3239482260 42060 29.68251 -95.00557 0.059932401 1.809186917 0.690106983 0.006862933 0.016982556 0.092910602 0.014471584 0.25526267 0.091764061 0.302334353 3239528100 15420 29.681207 -95.00915 0.07757903 2.061745199 0.257735155 0 0.003231042 0.103699457 0.012893251 0.245420091 0.19741824 0.41148176 3239547660 15720 29.68326 -94.985824 0.10047731 2.570898932 0.448325533 0.008491508 0.048660136 0.132647792 0.029720278 0.309857025 0.438320733 0.61440923 3239567460 43020 29.68348 -94.98574 0.079749289 2.599694326 0.408322984 0.017929995 0.052315378 0.194784667 0.027123048 0.296803639 0.217489204 0.964263987 3239622840 18180 28.951725 -94.769575 0.07710979 2.062758461 0.468429309 0.008820042 0.080391526 0.257120733 0.043699752 0.424773607 0.335982518 1.039220157 3239658960 37920 29.282205 -94.539575 0.050553823 1.560802644 0.40087456 0.003911095 0.044712618 0.118677897 0.019809857 0.211448232 0.175055967 1.136394207 3239700720 16860 28.456742 -94.79316 0.073218169 1.266942656 0.418991928 0 0.037495561 0.152593755 0.024176632 0.201755086 0.253713064 1.399878195 3239721480 22740 29.081586 -94.91647 0.067748213 0.982978523 1.584893293 0.020309474 0.079255303 0.075336864 0.034292385 0.166416794 0.282881954 1.084370346 3239748060 34740 29.114862 -94.94823 0.052751743 1.066447492 0.702891611 0.019602697 0.051126307 0.110944662 0.023967585 0.177886221 0.180464282 1.027811682 3239789100 8400 28.93667 -95.3315 0.080309476 0.095022663 0.703502095 0 0.047093343 0 0.009981053 0.019556784 0.088030859 0.175471468 3239804940 16980 29.271554 -94.681259 0.026428094 0.040314041 0.915505942 0 0.028997819 0 0.003986396 0 0.108672167 0.093323469 3239873040 15540 29.550994 -94.909732 0.047655717 0.023576377 0.759567999 0 0.071200659 0.005784071 0 0 0.162977065 0.026515565 3239893320 16800 29.085536 -94.999166 0.022661517 0.023352562 1.087037933 0.004895806 0.010961407 0 0.003314417 0.006932115 0.0297756 0.02855923 3239914260 41160 29.232708 -94.64671 0.020315412 0.024601076 1.172582956 0.003958182 0.052716592 0.009264453 0.00394487 0.006207956 0.035676885 0.138903338 3239964480 11040 29.55115 -94.9095 0.077009318 0.150170262 2.561595119 0.06318255 0.034928181 0.012925518 0 0.018443296 0.096608648 0.613585649 3239979420 16080 29.37753 -94.80624 0.042063415 0.243973391 3.231090298 0.013279709 0.018573819 0.031812901 0.006398636 0.036614417 0.035878066 0.374506836 3240006840 35460 29.682452 -95.005672 0.030302861 0.199449139 1.864162271 0.011295515 0.026928427 0.019866699 0.012941085 0.030077357 0.157984846 0.202879441 3240046440 14700 29.596376 -94.945631 0.048580208 0.185528186 2.22864673 0.005786665 0.064162538 0.018298205 0 0.025831671 0.032744807 0.22282054 3240064980 16200 29.544472 -94.905016 0.031346258 0.142506719 2.513912476 0.07074322 0.033538669 0 0 0.023905348 0.048012378 0.142076066 3240132960 14940 29.182669 -94.754297 0.050484856 0.189542787 2.821073399 0.293011426 0.039226074 0.012246919 0.006260928 0.028024458 0.030379111 0.104458138 3240153840 13800 29.141264 -94.501546 0.02665328 0.062914829 3.655991113 0.216571419 0.076747167 0.002052541 0 0 0 0.063762617 3240171660 43680 29.37611 -94.091246 0.021787958 0.027825407 3.138041686 0.214048305 0.1526338 0.014377691 0 0.007763201 0.028482965 0.059097623 3240221160 13440 28.401782 -95.705912 0.031006018 0.451616996 2.36037684 0.138598108 0.005774258 0 0 0.042726331 0 0.038967495 3240239160 16020 28.026886 -96.059766 0.049072176 0.340584861 2.982095649 0.222159038 0.04692558 0.005965539 0 0.050068323 0 0.02467337 3240259230 42390 28.9195 -95.235305 0.012141695 0.203940034 2.342974628 0.040973745 0.026177536 0.030210579 0.002384613 0.024697432 0.031227305 0.127519718 3240305220 16920 28.86543 -95.25233 0.028006904 0.282635113 2.085194618 0.029826486 0.043012348 0.023436842 0 0.026049575 0 0.153805801 3240404220 16260 29.732656 -95.276717 0.030664923 0.013632789 2.87343786 0.033478396 0.041252466 0 0.02882683 0 1.193295581 0.452130568 3240427620 47160 29.74997 -95.108092 0.032855494 0.086788098 2.673280049 0.028952848 0.575746041 0 0 0.022260584 0.402146364 0.411649379 3240477900 11640 29.749624 -95.107686 0.058228155 0.065658554 2.46338743 0.01240524 0.337405521 0 0.011406873 0 0.511227568 0.363972701 3240494820 18480 29.72503 -95.26817 0.050930267 0.069655459 3.074371985 0.022150282 0.086293807 0.001381829 0.025918906 0.018215018 1.211484553 0.771243852 3240518220 42420 29.683039 -95.007218 0.022597578 0.11611558 2.997854072 0.031188069 0.067245387 0.005160692 0.008485643 0.023182243 0.146503955 0.273448282 3240564240 13800 29.637397 -94.964605 0.020881149 0.077894727 2.605466904 0.011034973 0.062703021 0.007715004 0 0.012091081 0.129264898 0.358300849 3240583260 13500 29.63253 -94.96284 0.025730423 0.084961796 3.223801266 0.048692922 0.043841496 0.0064704 0 0 0.078598594 0.144026873 3240602460 44340 28.50499 -95.53515 0.026224481 1.066092037 1.839336456 0.014977852 0.002776281 0.041589605 0.002312878 0.115747348 0.012375347 0.075446583 3240674100 12240 29.68331 -95.00621 0.046141818 0.094127593 0.347907592 0 0 0.003173322 0.003820461 0.013332631 0.01949215 0.033598619 3240690480 43620 29.68304 -95.006666 0.026063288 0.369217718 1.115014094 0 0.009073127 0.023399886 0.004157408 0.041866759 0.167407169 0.111416532 END X SetScale/P x 0,1,"", StartDateTime; SetScale y 0,0,"dat", StartDateTime X Note StartDateTime, "ACF_PROJECT:TEXAQS2006;ACF_PLATFORM:RONALD_H_BROWN;ACF_DATA_TYPE:TIMESERIES-1D;ACF_VERSION:0;ACF_SUBMIT_DATE:01-MAR-2007;ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov" X SetScale/P x 0,1,"", Duration; SetScale y 0,0,"seconds", Duration X Note Duration, "ACF_PROJECT:TEXAQS2006;ACF_PLATFORM:RONALD_H_BROWN;ACF_DATA_TYPE:TIMESERIES-1D;ACF_VERSION:0;ACF_SUBMIT_DATE:01-MAR-2007;ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov" X SetScale/P x 0,1,"", LAT; SetScale y 0,0,"Deg", LAT X Note/NOCR LAT, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR LAT, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR LAT, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR LAT, "ACF_VERSION:0;" X Note/NOCR LAT, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR LAT, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR LAT, "ACF_LEGAL_MIN:-90;" X Note/NOCR LAT, "ACF_LEGAL_MAX:90;" X Note/NOCR LAT, "ACF_UNITS:Deg;" X Note/NOCR LAT, "ACF_INSTRUMENT:GPS;" X Note/NOCR LAT, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR LAT, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR LAT, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR LAT, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR LAT, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR LAT, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR LAT, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR LAT, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR LAT, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR LAT, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR LAT, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR LAT, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR LAT, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR LAT, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR LAT, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR LAT, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR LAT, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR LAT, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR LAT, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR LAT, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", LONGT; SetScale y 0,0,"Deg", LONGT X Note/NOCR LONGT, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR LONGT, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR LONGT, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR LONGT, "ACF_VERSION:0;" X Note/NOCR LONGT, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR LONGT, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR LONGT, "ACF_LEGAL_MIN:-180;" X Note/NOCR LONGT, "ACF_LEGAL_MAX:360;" X Note/NOCR LONGT, "ACF_UNITS:Deg;" X Note/NOCR LONGT, "ACF_INSTRUMENT:GPS;" X Note/NOCR LONGT, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR LONGT, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR LONGT, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR LONGT, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR LONGT, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR LONGT, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR LONGT, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR LONGT, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR LONGT, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR LONGT, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR LONGT, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR LONGT, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR LONGT, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR LONGT, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR LONGT, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR LONGT, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR LONGT, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR LONGT, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR LONGT, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR LONGT, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subNa; SetScale y 0,0,"ug/m3", subNa X Note/NOCR subNa, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR subNa, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR subNa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subNa, "ACF_VERSION:0;" X Note/NOCR subNa, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR subNa, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subNa, "ACF_LEGAL_MIN:0;" X Note/NOCR subNa, "ACF_LEGAL_MAX:50;" X Note/NOCR subNa, "ACF_UNITS:ug/m3;" X Note/NOCR subNa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subNa, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR subNa, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR subNa, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR subNa, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR subNa, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR subNa, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR subNa, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR subNa, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR subNa, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR subNa, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subNa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR subNa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subNa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subNa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subNa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subNa, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR subNa, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR subNa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subNa, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR subNa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supNa; SetScale y 0,0,"ug/m3", supNa X Note/NOCR supNa, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR supNa, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR supNa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supNa, "ACF_VERSION:0;" X Note/NOCR supNa, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR supNa, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supNa, "ACF_LEGAL_MIN:0;" X Note/NOCR supNa, "ACF_LEGAL_MAX:50;" X Note/NOCR supNa, "ACF_UNITS:ug/m3;" X Note/NOCR supNa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supNa, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR supNa, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR supNa, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR supNa, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR supNa, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR supNa, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR supNa, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR supNa, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR supNa, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR supNa, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supNa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR supNa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supNa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supNa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supNa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supNa, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR supNa, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR supNa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supNa, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR supNa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subNH4; SetScale y 0,0,"ug/m3", subNH4 X Note/NOCR subNH4, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR subNH4, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR subNH4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subNH4, "ACF_VERSION:0;" X Note/NOCR subNH4, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR subNH4, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subNH4, "ACF_LEGAL_MIN:0;" X Note/NOCR subNH4, "ACF_LEGAL_MAX:50;" X Note/NOCR subNH4, "ACF_UNITS:ug/m3;" X Note/NOCR subNH4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subNH4, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR subNH4, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR subNH4, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR subNH4, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR subNH4, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR subNH4, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR subNH4, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR subNH4, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR subNH4, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR subNH4, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subNH4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR subNH4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subNH4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subNH4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subNH4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subNH4, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR subNH4, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR subNH4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subNH4, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR subNH4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supNH4; SetScale y 0,0,"ug/m3", supNH4 X Note/NOCR supNH4, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR supNH4, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR supNH4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supNH4, "ACF_VERSION:0;" X Note/NOCR supNH4, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR supNH4, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supNH4, "ACF_LEGAL_MIN:0;" X Note/NOCR supNH4, "ACF_LEGAL_MAX:50;" X Note/NOCR supNH4, "ACF_UNITS:ug/m3;" X Note/NOCR supNH4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supNH4, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR supNH4, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR supNH4, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR supNH4, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR supNH4, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR supNH4, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR supNH4, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR supNH4, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR supNH4, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR supNH4, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supNH4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR supNH4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supNH4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supNH4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supNH4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supNH4, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR supNH4, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR supNH4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supNH4, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR supNH4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subK; SetScale y 0,0,"ug/m3", subK X Note/NOCR subK, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR subK, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR subK, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subK, "ACF_VERSION:0;" X Note/NOCR subK, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR subK, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subK, "ACF_LEGAL_MIN:0;" X Note/NOCR subK, "ACF_LEGAL_MAX:50;" X Note/NOCR subK, "ACF_UNITS:ug/m3;" X Note/NOCR subK, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subK, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR subK, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR subK, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR subK, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR subK, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR subK, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR subK, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR subK, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR subK, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR subK, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subK, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR subK, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subK, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subK, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subK, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subK, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR subK, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR subK, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subK, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR subK, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supK; SetScale y 0,0,"ug/m3", supK X Note/NOCR supK, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR supK, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR supK, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supK, "ACF_VERSION:0;" X Note/NOCR supK, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR supK, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supK, "ACF_LEGAL_MIN:0;" X Note/NOCR supK, "ACF_LEGAL_MAX:50;" X Note/NOCR supK, "ACF_UNITS:ug/m3;" X Note/NOCR supK, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supK, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR supK, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR supK, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR supK, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR supK, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR supK, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR supK, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR supK, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR supK, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR supK, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supK, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR supK, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supK, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supK, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supK, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supK, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR supK, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR supK, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supK, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR supK, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subMg; SetScale y 0,0,"ug/m3", subMg X Note/NOCR subMg, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR subMg, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR subMg, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subMg, "ACF_VERSION:0;" X Note/NOCR subMg, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR subMg, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subMg, "ACF_LEGAL_MIN:0;" X Note/NOCR subMg, "ACF_LEGAL_MAX:50;" X Note/NOCR subMg, "ACF_UNITS:ug/m3;" X Note/NOCR subMg, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subMg, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR subMg, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR subMg, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR subMg, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR subMg, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR subMg, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR subMg, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR subMg, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR subMg, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR subMg, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subMg, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR subMg, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subMg, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subMg, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subMg, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subMg, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR subMg, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR subMg, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subMg, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR subMg, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supMg; SetScale y 0,0,"ug/m3", supMg X Note/NOCR supMg, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR supMg, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR supMg, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supMg, "ACF_VERSION:0;" X Note/NOCR supMg, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR supMg, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supMg, "ACF_LEGAL_MIN:0;" X Note/NOCR supMg, "ACF_LEGAL_MAX:50;" X Note/NOCR supMg, "ACF_UNITS:ug/m3;" X Note/NOCR supMg, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supMg, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR supMg, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR supMg, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR supMg, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR supMg, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR supMg, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR supMg, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR supMg, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR supMg, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR supMg, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supMg, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR supMg, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supMg, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supMg, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supMg, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supMg, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR supMg, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR supMg, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supMg, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR supMg, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subCa; SetScale y 0,0,"ug/m3", subCa X Note/NOCR subCa, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR subCa, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR subCa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subCa, "ACF_VERSION:0;" X Note/NOCR subCa, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR subCa, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subCa, "ACF_LEGAL_MIN:0;" X Note/NOCR subCa, "ACF_LEGAL_MAX:50;" X Note/NOCR subCa, "ACF_UNITS:ug/m3;" X Note/NOCR subCa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subCa, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR subCa, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR subCa, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR subCa, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR subCa, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR subCa, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR subCa, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR subCa, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR subCa, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR subCa, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subCa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR subCa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subCa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subCa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subCa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subCa, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR subCa, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR subCa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subCa, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR subCa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supCa; SetScale y 0,0,"ug/m3", supCa X Note/NOCR supCa, "ACF_PROJECT:TEXAQS2006;" X Note/NOCR supCa, "ACF_PLATFORM:RONALD_H_BROWN;" X Note/NOCR supCa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supCa, "ACF_VERSION:0;" X Note/NOCR supCa, "ACF_SUBMIT_DATE:01-MAR-2007;" X Note/NOCR supCa, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supCa, "ACF_LEGAL_MIN:0;" X Note/NOCR supCa, "ACF_LEGAL_MAX:50;" X Note/NOCR supCa, "ACF_UNITS:ug/m3;" X Note/NOCR supCa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supCa, "ACF_REMARK: NOAA PMEL Chemistry Data - collected with 2 stage impactors Contact persons: Trish Quinn, patricia.k.quinn@noaa.gov-- Kristen Schulz, Kristen.schulz@noaa.gov Two-stage multi-jet cascade i" X Note/NOCR supCa, "mpactors (Berner et al., 1979) sampling air at 55 +/- 5% RH were (MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 14 hours. The RH of the sampled air stream was measured a few" X Note/NOCR supCa, " inches upstream from the impactor. The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicron refers to particles with Daero < 1.1 um at 55% RH and supermicron refers to particle" X Note/NOCR supCa, "s with 1.1 um < Daero < 10 um at 55% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar " X Note/NOCR supCa, "films were used as the collection substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10%" X Note/NOCR supCa, " H2O2 for 30 min, rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distil" X Note/NOCR supCa, "led deionized water were added to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the s" X Note/NOCR supCa, "ubstrates was done in the glove box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from N" X Note/NOCR supCa, "a+ concentrations and the ratio of sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Berner et al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J" X Note/NOCR supCa, ". Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supCa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during TexAQS-GoMACCS 2006;" X Note/NOCR supCa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supCa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supCa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supCa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICRON_CONCENTRATIONS_OF_CL-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supCa, "ICARTT_MISSION_NAME:TEXAQS - GoMACCS 2006;" X Note/NOCR supCa, "ICARTT_LOCATION:Gulf of Mexeco;" X Note/NOCR supCa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supCa, "ICARTT_PROJECT_INFO:TEXAQS GoMACCS 2006 Study-- July 27 - September 11, 2006;" X Note/NOCR supCa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI."