We are currently using Hal30 flux in our Penta500 Solder Leveler. We need to find out how much flux and lead are going out the stack. We do not have a scrubber on the stack. Does anyone have a formula or a chart to help us calculate the air emissions? Pat Reiman fax - 641-424-4745 _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com --------------------------------------------------------------------------------- Technet Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt delivery of Technet send the following message: SET Technet NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------