<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Hyslop, Nicole P</style></author><author><style face="normal" font="default" size="100%">Trzepla, Krystyna</style></author><author><style face="normal" font="default" size="100%">White, Warren H</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Reanalysis of Archived IMPROVE PM2.5 Samples Previously Analyzed over a 15-Year Period</style></title><secondary-title><style face="normal" font="default" size="100%">Environmental Science &amp; Technology</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">Air particles</style></keyword><keyword><style  face="normal" font="default" size="100%">Air pollution</style></keyword><keyword><style  face="normal" font="default" size="100%">Air quality</style></keyword><keyword><style  face="normal" font="default" size="100%">Visibility</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2012</style></year><pub-dates><date><style  face="normal" font="default" size="100%">August</style></date></pub-dates></dates><publisher><style face="normal" font="default" size="100%">American Chemical Society</style></publisher><volume><style face="normal" font="default" size="100%">46</style></volume><pages><style face="normal" font="default" size="100%">10106-10113</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">18</style></issue><notes><style face="normal" font="default" size="100%">Illustrations, Tables</style></notes></record></records></xml>