Note: Again, please do not send attachments to the list.  Send them to the
individual that requests them.  Too many people send attachments on this
list and it fills up space the computer hard drive.  There could also be
danger of viruses for unsuspecting victims.  Thanks.

At 11:24 AM 8/20/99 +1000, you wrote:
>Attachment Converted: "c:\eudora\attach\ammonium.htm"
>
____________________________________________
Dr. Herbert J. Tobias
Air Pollution Research Center, Fawcett Lab
University of California, Riverside
Riverside, CA 92521
Lab:(909)787-4683
____________________________________________