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Historian Tom Mahon, with the aid of cryptologist and code breaker James J. Gillogly, has spent the past few years breaking the IRA's secret communications code, used to pass messages back and forth between Ireland and America from the 1920s until the 1930s - and the results are explosive. From discussions about matters to considerations of deals with the USSR and China, the IRA letters delve into just about every matter conceivable for a paramilitary organization. Some of the ideas are discussions about money and the likelihood of infiltration but others, like the proposal to source nerve...

Since 1997, several perchlorate treatment technologies have proven to be technically feasible at drinking-water treatment scale: biological reduction, ion exchange, reverse osmosis (RO) membranes, and granular activated carbon (GAC). The objectives of this project were to demonstrate the long-term performance of conventional ion-exchange technology for perchlorate removal and evaluate three disparate alternatives (chemical, biological, electrolytic) for brine treatment and reuse. This project evaluated three fundamentally different brine treatment and reuse processes. The first process, the...