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 (1940 film) World War II, Roy Cronin (Robert Taylor), an army colonel, is being driven to London's Waterloo station en route to France, and briefly alights on Waterloo Bridge to reminisce about events which occurred during the First World War when he met Myra Lester (Vivien Leigh) whom he had planned to marry. While Roy gazes at a good luck charm, a billiken that she had given him, the story unfolds. Roy, a captain in the Rendleshire Fusiliers on his way to the front, and Myra, a ballerina, serendipitously meet crossing Waterloo Bridge during an air raid, striking up an immediate rapport