RESEARCH, EDUCATION AND USE OF PLASMA SPECTROCHEMISTRY. ICP PUBLISHES A MONTHLY INFORMATIONAL NEWSLETTER TO APPROX. 335 SUBSCRIBERS. ALSO, ICP HOSTS A BIENNIAL CONFERENCE WHICH INCLUDES 36 EXHIBITORS, 12 SPONSORS, AND 482 ATTENDEES. THERE WAS NO CONFERENCE DURING THE 2021 REPORTING PERIOD OF THIS FORM 99O. THE MOST RECENT CONFERENCE WAS IN TUCSON, ARIZONA DURING JANUARY OF 2022.