Zeroing In On Xenon (video) Preparatory Commission for the Comprehensive Nuclear‑Test‑Ban Treaty Organization Share Print E-Mail Loading video... Caption Increasingly experts at the CTBTO are detecting the noble gas xenon as they monitor the globe for signals of nuclear explosions. Emissions are being registered at many locations. And the points of origin are increasing. For the CTBTO, not a good trend: " If you have more emissions than you anticipate, then you have a problem," says Lassina Zerbo, Director of the International Data Center (IDC) and incoming Executive Secretary of the CTBTO. Credit CTBTO Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.