A sealed source means radioactive material that is permanently bonded or fixed in a capsule or matrix designed to prevent release and dispersal of the radioactive material under the most severe ...

A study led by scientists at Johns Hopkins Bloomberg School of Public Health suggests that advanced algorithms working from large chemical databases can predict a new chemical's toxicity better than ...

Dugway Proving Ground chemists have developed a new method for solid sorbent tube (SST) analysis of chemical warfare agents (CWA). The innovative approach is to analyze an eluate from the SST using a ...