2003 ricin letters lethal dose of ricin in humans provided that exposure is from injection or inhalation. Ricin is easily purified from castor-oil manufacturing waste. It has been utilized by various states and organizations as a weapon, being most effective as an assassination weapon, notably in the case of the 1978 assassination of Bulgarian dissident Georgi Markov. On January 4, 2004 new federal transportation rules took effect which directly affected the over-the-road trucking industry in the United States. The rules took effect with a 60-day grace period and were aimed at reducing fatigue related accidents and fatalities. Called the most far-reaching rule changes
Waterloo Bridge Waterloo Bridge Waterloo Bridge () is a road and foot traffic bridge crossing the River Thames in London, between Blackfriars Bridge and Hungerford Bridge. Its name commemorates the victory of the British, the Dutch and the Prussians at the Battle of Waterloo in 1815. Thanks to its location at a strategic bend in the river, the views from the bridge (of Westminster, the South Bank and the London Eye to the west, and of the City of London and Canary Wharf to the east) are widely held to be the finest from any spot in London at ground level. The