http://www.beeline-software.com/Support/Forums/tabid/369/forumid/4/scope/threads/Default.aspxAnswers to Frequently Asked Questions about CalPuff. This forum is read only. Please send your FAQ Suggestions to support@beeline-software.com.2010-09-09T18:29:04Z2010-05-24T20:21:42Z302010-05-24T20:21:42Zdshnayderhttp://www.beeline-software.com/Support/Forums/tabid/369/forumid/4/threadid/44/scope/posts/Default.aspx<p class='MsoNormal'>Question:&#160; <span style=''>I am currently running a <span class='il'>CalPuff iteration and noted 98651 inactive puffs removed while the iteration is running.&#160; Is this an issue with the model set-up or will the results be acceptable? <p class='MsoNormal'><span style=''>I’m trying to understand if this iteration is faulty or not and does it need some modifications for the next iteration. <p class='MsoNormal'><span style=''>Answer: This is a normal message that the <span class='il'>CalPuff model displays from time to time during a model run. It just means that 98651 puffs have left the computational grid. &#160;As long as your computational grid is sized correctly (usually 50km beyond all receptors and sources), there is no problem. 0