Changes

==Particle Monitoring ==

==Particle Monitoring ==

The most hazardous dust particles are too small to be seen.  To determine the effectiveness of the collection system, we will use a relatively inexpensive laser particle counter, such as: http://www.dylosproducts.com/dcproairqumo.html

The most hazardous dust particles are too small to be seen.  To determine the effectiveness of the collection system, we will use a relatively inexpensive laser particle counter, such as: http://www.dylosproducts.com/dcproairqumo.html

This will help us fine tune the collection system and tell us when there is insufficient flow due to duct blockage or dirty filters.

This will help us fine tune the collection system and tell us when there is insufficient flow due to duct blockage, excessive open gates, or dirty filters.

==Goals==

==Goals==